STJグループ（株式会社サンテレコムジャパン、株式会社STJレンテック） Product Lineup

In the logistics industry, delivery instructions require rapid and accurate information transmission, which directly impacts operational efficiency and customer satisfaction. In particular, real-time communication with drivers on the move is crucial for preventing delays and responding to emergencies. Any interruption in communication can lead to delays in delivery schedules and affect customers. The IP radio and IP transceiver 'IP510H' addresses these challenges by ensuring communication redundancy through hybrid operation of LTE lines and wireless LAN, along with dual SIM capabilities. 【Usage Scenarios】 - Real-time delivery instructions to drivers - Notifications of sudden changes in delivery routes - Information sharing between multiple locations - Rapid situation assessment in emergencies 【Benefits of Implementation】 - Improved reliability and speed of delivery instructions - Enhanced operational efficiency - Strengthened collaboration among drivers - Increased emergency response capability

• others

In manufacturing production management, it is essential to grasp the on-site situation in real-time and to communicate instructions quickly to maintain and improve production efficiency. In particular, accurate and timely information sharing is required regarding the operational status of equipment within the factory, the placement of workers, and responses to unexpected troubles. Inadequate communication environments can lead to delays and mistakes on the production line, potentially resulting in decreased productivity. The IP radio and IP transceiver 'IP510H' addresses these challenges and supports smooth production management. 【Usage Scenarios】 - Coordination between various departments within the factory - Sharing the progress of the production line - Rapid information transmission in emergencies - Instructions and confirmations among workers 【Benefits of Implementation】 - Smooth operation of the production line - Improved work efficiency - Reduction of mistakes - Quick response to troubles

• others

At construction sites, rapid and accurate information sharing among multiple workers and stakeholders is essential for ensuring safety and improving project management efficiency. Especially in extensive sites or areas with unstable signal conditions, reliable communication means are required. Communication disruptions can increase the risk of accidents or lead to delays in work. The IP radio and IP transceiver 'IP510H' addresses these challenges by utilizing hybrid operation with LTE lines and wireless LAN, as well as ensuring redundancy through dual SIMs, thereby supporting smooth collaboration on site. 【Usage Scenarios】 - Communication among workers at large construction sites - Coordination with material delivery and heavy machinery operators - Rapid information transmission in emergencies - Information sharing among multiple teams 【Benefits of Implementation】 - Improved safety management on site - Enhanced work efficiency - Reduced communication costs - Support for quick decision-making

• others

In December 2025, the "Smartphone Software Competition Promotion Act (commonly known as the New Smartphone Law)" was enacted. At first glance, this law seems to be related to "general users" and "app development companies," but it may actually have implications for the operation of corporate smartphones as well. In this column, we will clearly explain "What is the New Smartphone Law?", "What impact does it have on corporate smartphones?", and "Examples of utilizing MDM (OPTiM Biz)." *For detailed content of the column (such as blogs), you can view it through the related links. For more information, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

This is an example of the introduction of a "Digital Simple Relay System" in the building maintenance industry. Due to various obstacles within the building, there are dead zones scattered throughout, making communication between devices difficult across the entire building. With IP radio, communication became unstable when the lines were congested. By installing a relay device, we were able to cover communication areas that were previously unreachable with standard simple radios. We established a communication system that is less affected by line congestion during emergencies. [Case Overview] ■ Issue 01: Dead zones caused by building structure ■ Issue 02: Communication risks during disasters due to carrier line usage ■ Issue 03: Security concerns related to equipment installation *For more details, please download the PDF or feel free to contact us.

• Other network tools

In environments where radios are used, "interference" can become a challenge. This is particularly true in construction sites, security operations, event venues, and logistics warehouses, where many staff members use the same radio frequency (channel). In such environments, communications can overlap, making it difficult to hear voices clearly. One of the features used to prevent such issues is carrier sense. This article will introduce the basic mechanism of the carrier sense function, its role as a countermeasure against interference, the differences between radios with and without the carrier sense function, and recommend models for interference countermeasures. If you are considering renting or purchasing a radio, please use this as a reference. *For detailed content of the column (such as blogs), you can view it through the related links. For more information, please download the PDF or feel free to contact us.

• Other network tools

The "KBX-P51" is an IP transceiver that can automatically switch between up to three communication lines. Even if the communication status becomes unstable, it will automatically switch to a better line before going out of range. It ensures stable communication. It supports advanced features that were difficult to achieve with conventional radio systems, such as recording all calls, transcribing conversations, and making calls with a smartphone app, thereby enhancing operational efficiency. 【Features】 ■ Simultaneous translation into multiple languages ■ Call recording and playback function ■ Second PTT for instant selection of transmission groups ■ Emergency function to protect users from danger *For more details, please download the PDF or feel free to contact us.

• Other network tools

Introducing our "Corporate Smartphone Rental Service." We offer same-day shipping from the time of application, making it possible to respond to sudden project launches or events. The devices are delivered pre-configured, and we have a reliable maintenance system in place to quickly arrange replacement devices in case of any issues. You can extend the rental period freely, from short-term rentals of one month to long-term rentals of a year, tailored to your project needs. This allows you to minimize initial investments and account for expenses based on actual usage. 【Features】 ■ Fast delivery: Same-day shipping available ■ Cost reduction: Expenses can be accounted for based on actual usage ■ Comprehensive support: Delivered pre-configured ■ Flexible rental periods: From short-term one month to long-term one year ■ Unlimited calls + 5G data ■ Rentals available from just one device *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

This is a case where a customer in the driving agency industry introduced 10 IP radios through our long-term rental original plan "Subsc5." Due to high usage frequency, there has been an increase in failures and communication issues caused by equipment aging, and the time taken to replace faulty devices has become a challenge. After the introduction, we established a system where replacement devices can arrive as quickly as the next day in the event of equipment failure. We were able to keep operational costs down by using 10 devices during normal times and additionally renting 3 more devices for a short term only during busy periods. 【Case Overview】 ■ Introduced Model: Subsc5 Rental Plan - IP Radios ■ Number of Units Introduced: 10 ■ Challenges: Increased frequency of failures and insufficient units during busy periods ■ Effect: Increase in customers due to temporary expansion ■ Effect: Improved operational efficiency through location information management *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

We would like to introduce a case where we implemented 10 units of our digital simple radio "SRD585BT" at Yushima Tenmangu Shrine. Previously, they were using specific low-power transceivers, which had many areas with poor communication, making it difficult for staff to coordinate with each other. Additionally, due to the need to attach the radio to their hakama, there was a concern that larger radios could affect their appearance. After the implementation, communication was established throughout the shrine grounds, eliminating disruptions to operations and allowing for better coordination among staff. The adoption of open-ear type earphones also enables staff to easily adjust their earphones when interacting with customers. [Case Overview] ■ Model Introduced: Digital Simple Radio SRD585BT ■ Number of Units: 10 ■ Challenge: Many areas with poor communication made coordination difficult ■ Proposal: 2W output "SRD585BT" with group mode *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

The "SRS30/SRS30S(BT)" is a compact type of specific low-power transceiver with interference avoidance features from the SRS210 series. It is equipped with a DCM (Dual Channel Monitor) system that avoids interference using a single receiver. It also supports the air clone function, which allows synchronization of settings for the radios being used. With a compact body measuring 47mm wide, 80mm high, and 22mm thick, it has an IP68 rating for dust and water resistance and can be used without a license or qualification. 【Features】 ■ Two models: standard antenna model and short antenna model ■ Large channel display in amber color for visibility outdoors ■ Transmission and reception indicators use high-brightness LEDs for excellent visibility ■ Cue function to send signals without speaking ■ Approximately 18 hours of battery life with nickel-hydride batteries ■ Supports 20 channels plus relay 27 channels *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

As the places to work become more diverse, opportunities to work in various environments such as home, on the go, and at client locations are increasing, not just in the office. On the other hand, there are many situations where a single laptop does not provide enough screen space, leading to limitations in work efficiency. Mobile monitors are gaining attention as a solution to these challenges. However, if you choose incorrectly, it can end up being "an unused piece of equipment." This article explains the key points for selecting a mobile monitor without making mistakes. We will also introduce recommended models, so please read to the end. *For more detailed content of the column, you can view it through the related links. For more information, feel free to contact us.*

• LCD display

Recently, the prices of smartphones have been steadily rising. More companies are considering purchasing used devices to keep costs down when introducing smartphones for business use. However, there are important considerations when buying used devices. One of these is the "condition of the device" (which indicates the state directly related to the use of the device, such as whether communication is possible or if it is locked), which cannot be determined by the buyer. If not properly understood, this can lead to serious troubles that may result in information leaks. Recently, there has been an increase in cases where devices are purchased through personal sales platforms like Mercari, Yahoo Auctions, and flea market apps, but this poses a very high risk for corporate use, so caution is necessary. This article will provide a detailed explanation of the risks and considerations associated with purchasing used devices. *For more details, please refer to the related links. Feel free to contact us for more information.*

• Other network tools

The "DIGNO(R)SX4 KC-S305" is a smartphone designed to reduce daily work burdens and support a more comfortable working style. It adopts a SIM-free model compatible with sXGP (self-owned network), which allows for stable voice calls and data communication even in environments where connections to external networks are restricted, such as hospitals and factories. You can use it with peace of mind in closed environments. Equipped with NFC functionality, it can also be used as an alternative to dedicated reader terminals for cashless payments. Biometric authentication includes face recognition that works even while wearing a mask, as well as fingerprint recognition. 【Features】 ■ Convenient NFC included (supports reading for payments, employee IDs, and My Number cards) ■ Direct button for easy launching of apps and functions ■ sXGP compatible (communication standard based on self-owned TD-LTE method) ■ Wi-Fi handover (automatically switches between multiple access points) ■ Supports glove touch/wet touch ■ Compatible with alcohol disinfection and foam hand soap cleaning *For more details, please download the PDF or feel free to contact us.

• Other network tools

To conduct stable wireless communication, antennas are essential. Regardless of whether you are using IP transceivers, commercial radios, or specific low-power transceivers, the performance of the antenna and the installation environment greatly affect communication distance and audio quality. However, many people feel overwhelmed by the technical jargon associated with antennas, finding it difficult to understand how they work or to distinguish between different types. This article will clearly explain the basics of wireless antennas, including their mechanisms, transmission and reception characteristics, key points for choosing the right antenna without making mistakes, and important considerations during installation and operation, making it accessible for beginners. Please read through to the end as foundational knowledge to correctly understand wireless antennas and build an appropriate communication environment. *For detailed content of the column, you can view it through the related links. For more information, please feel free to contact us.*

• Other network tools

The "SRFD1" is a portable specific low-power transceiver of the FAMICS system that allows simultaneous calls between two parties. There are no restrictions on the number of subunits, allowing anyone in the group to participate in simultaneous calls, and the content of the calls can be received by everyone in the group, enabling efficient collaboration. It boasts dustproof and waterproof performance with an IP68 rating, making it safe to use even in rainy weather or dusty construction sites. With a compact size of 60mm wide, 78mm high, and 24mm deep, and a lightweight body of approximately 145g, it does not become a burden during long hours of work. 【Features】 ■ Multi-party simultaneous calls with any number of participants ■ Automatic backup during line disconnection (automatically switches to alternating calls to maintain communication) ■ Equipped with an automatic line connection function that allows calls to start simply by turning on the power after initial setup ■ Easy pairing (group settings) ■ Emergency notifications via CUE function ■ Long battery life due to energy-saving design *For more details, please download the PDF or feel free to contact us.

• Other network tools

The "SRS90/SRS95" is a specific low-power transceiver compatible with repeaters, manufactured by Yaesu Musen Co., Ltd. It is equipped with a multi-channel monitor to avoid interference, allowing for comfortable communication without noticing interference by monitoring channels simultaneously with two receiving units. With excellent dust and waterproof performance compliant with IP68, it features a robust body that meets MIL-STD-810H standards for vibration and shock resistance. It delivers high sound quality and loud volume of up to 700mW, making it easy to hear the other person's voice even in noisy outdoor environments, ensuring reliable communication. 【Features】 ■ The SRS90 has a simple key model that eliminates the channel change button for easy operation. ■ Teleport function that automatically moves to channels less prone to interference. ■ Area research function to monitor channel usage before use. ■ One-click hands-free function that maintains the transmission state in response to voice with a single press of the access key. ■ Newly developed earphone jack with auto-lock function. *For more details, please download the PDF or feel free to contact us.

• Other network tools

The demand for using transceivers hands-free is rapidly increasing in many fields such as construction, security, food service, and event management. In this article, we will comprehensively explain the theme of "hands-free transceivers," covering mechanisms such as VOX function, Bluetooth, and simultaneous communication, as well as compatibility by type of radio, advantages and precautions, and suitable selection methods. If you want to communicate without stopping work, please refer to this guide for choosing a hands-free compatible transceiver. *For detailed content of the column, you can view it through the related links. For more information, please download the PDF or feel free to contact us.

• PBX/IP phone

We would like to introduce a case where we proposed digital simple radios (registered stations) to the Yokohama Excellence, a professional basketball team. The staff operating the team includes many women, and it is not uncommon for them to run around the venue for several hours on game days. To minimize physical strain during such times, we suggested a compact and lightweight radio model. By placing the radio in a nylon case with a shoulder strap, it can be carried separately from other belongings. [Case Overview] ■ Industry: Professional Basketball Team ■ Manufacturer: JVC Kenwood Corporation ■ Model Introduced: Digital Simple Radio (Registered Station) ■ Number of Units Introduced: 50 units *For more details, please download the PDF or feel free to contact us.

• PBX/IP phone

We would like to introduce a case where we proposed the digital simple business radio "SRD795" for guiding operations at a festival. The customer in this case faced the challenge that with conventional digital simple radios (registered stations), they experienced interference with nearby users and security personnel, making communication difficult. After the introduction, by utilizing the automatic interference avoidance feature, they were able to communicate successfully without any issues, and we received feedback that it was used seamlessly. 【Case Overview】 ■Challenges - Unable to communicate due to interference - Unable to communicate even with IP radios ■Results - Successful communication achieved with the automatic interference avoidance feature *For more details, please download the PDF or feel free to contact us.

• PBX/IP phone

The "SRNX100" is a vehicle-mounted IP radio/IP transceiver that makes it easy to obtain location information thanks to its GPS functionality. In addition to the call range of mobile phones using NTT Docomo or KDDI au's LTE network (dual SIM compatible), it also supports Wi-Fi. You can operate hands-free while talking by simply pressing the transmit key once before speaking. 【Features】 ■ Wide communication range using mobile phone networks ■ Individual communication ■ Group communication ■ Simultaneous calling ■ Call history display for missed calls during individual calls *For more details, please download the PDF or feel free to contact us.

• PBX/IP phone

The "SRNX1D" is a portable IP radio/IP transceiver with excellent visibility provided by a large color display. It utilizes the LTE network from NTT Docomo or KDDI au (dual SIM compatible) in addition to supporting Wi-Fi, ensuring a wider communication coverage area and stable communication. Moreover, it can be used for over 20 hours on a single charge, making it reliable for long-duration operations. 【Features】 ■ Wide communication coverage area with LTE network (dual SIM compatible) and Wi-Fi support ■ Supports simultaneous calls ■ Displays missed call history for individual calls ■ Records and plays back received audio ■ Adopts a highly visible large color LCD *For more details, please download the PDF or feel free to contact us.

• PBX/IP phone

The other day, I had the opportunity to actually touch explosion-proof smartphones at an exhibition. What kind of image do you have when you hear "explosion-proof smartphone"? To be honest, I had the impression that it would be a "smartphone designed not to explode," which I thought would likely be large, focused on protection, and lacking in usability and design. However, after seeing, touching, and comparing explosion-proof smartphone cases from multiple manufacturers, my impression changed significantly. In particular, I felt clear differences in design philosophy and usability between overseas and Japanese products, even though they were both explosion-proof smartphone cases. This time, rather than providing a technical explanation about explosion-proof devices, I would like to share my honest impressions based on my experience at the exhibition. *For more detailed content of the column, you can view it through the related links. For more information, please feel free to download the PDF or contact us.*

• Mobile phones, PHS, data communication cards

In recent years, with the evolution of communication infrastructure, "Wi-Fi (wireless LAN) compatible IP transceivers" have been gaining attention in addition to traditional radios. What exactly is a "Wi-Fi (wireless LAN) compatible IP transceiver"? How does it differ from conventional transceivers? This article will provide a detailed explanation of the features, selection criteria, and usage scenarios of Wi-Fi transceivers. We will also introduce recommended models that are active in various settings, from event venues to construction sites and nursing facilities. If you are a company representative considering the introduction of Wi-Fi transceivers for business use, please use this as a reference. *For more detailed information, you can view it through the related links. For further details, please download the PDF or feel free to contact us.

• Other office supplies
• Other network tools
• Rental/lease

We would like to introduce a case study on the rental of radios, transceivers, and intercoms related to basketball. At Earth Friends Tokyo Z, they utilize STJ Rentec's radios during home games. The operational staff uses these radios, allowing for close communication. By coordinating with other staff members for event progression and trouble response, they are able to ensure smooth operations. 【Case Overview】 ■ Smooth communication at sports event venues ■ Recommended for event progression as communication partners can be shared ■ Effective in large venues, facilitating collaboration among staff *For more details, please download the PDF or feel free to contact us.

• Other office supplies
• Other network tools
• Rental/lease

We are pleased to announce the opening of the "Walkie-Talkie & Smartphone Rental Shop," which can be used in various scenes such as events, construction sites, and disaster prevention training. The shop will open in Sapporo, Tokyo, and Osaka, with a reception counter also established in Hakata. A grand opening campaign is scheduled to run until March 31, 2026. Make your events, festivals, and sports competitions more comfortable. The more units you rent, the more advantageous it is. Please act quickly. 【Three Points That STJ Rentec Can Offer】 ■ With a physical store, we can provide same-day support and shipping, ensuring peace of mind in emergencies. ■ You can see, try, and consult about walkie-talkies directly at the store. ■ With 50 years of experience solely in radio equipment, you can consult us about anything related to radios. *For more details, please download the PDF or feel free to contact us.

• Other office supplies
• Other network tools
• Rental/lease

We will simultaneously open our transceiver and smartphone rental shops in three locations: Tokyo, Sapporo, and Osaka. At the Santelecom Japan rental shop, you can consult on actual devices, implementation advice, and operational design right on the spot. To commemorate the opening of the shop, we have prepared exclusive benefits for visitors. The implementation period is scheduled from January 26, 2026, to March 31, 2026. The details and conditions will be provided by our staff. 【Facilities / Products Offered】 ■ Corporate implementation consultation counter ■ Mobile rental devices ■ Transceiver rental devices *For more details, please download the PDF or feel free to contact us.

• Other office supplies
• Other network tools
• Rental/lease

"MaruMoba Lite" is a service that allows you to delegate all the hassle of purchasing, setting up, and repairing your device. It also provides solid coverage for issues like screen cracks and water damage without any additional contracts. The monthly fee is simple, and there’s no need to pay extra for insurance. It reduces the burden on your staff while ensuring peace of mind in case of emergencies. This plan is perfect for those who want to make their in-house mobile operations "easier" and reduce management hassle. [Services] ■ iPhone repair procedure agency service ■ Simple kitting service (paid) *For more details, please download the PDF or feel free to contact us.

• Other office supplies

In signal control systems for transportation, stable wireless communication is essential. Particularly in urban areas and complex terrains, challenges such as difficulty in signal reach and communication interruptions caused by obstacles arise. These issues can lead to signal delays and malfunctions, potentially hindering the smooth flow of traffic. Our wireless communication repeaters address these challenges and provide a stable communication environment. 【Use Cases】 - Expansion of wireless communication areas for signal control systems - Ensuring communication in tunnels and underground passages - Stabilization of communication at large intersections 【Benefits of Implementation】 - Improved reliability of signal control - Increased efficiency of transportation infrastructure - Rapid information transmission in emergencies

• Wireless LAN

In the retail industry, smooth information sharing between warehouses and stores is crucial for inventory management. However, issues such as weak or interrupted radio signals can arise due to the building's structure and product placement. This can lead to delays in inventory checks and picking operations, potentially decreasing operational efficiency. Our wireless communication repeaters provide stable communication even in areas with poor signal reception or obstacles, supporting the efficiency of inventory management. 【Usage Scenarios】 - Inventory checks within the warehouse - Information sharing between stores and warehouses - Backroom operations 【Benefits of Implementation】 - Reduced inventory check time - Decreased operational errors - Improved operational efficiency

• Wireless LAN

In the hotel industry, room service requires rapid and accurate information transmission. Walkie-talkies are used in various situations such as housekeeping, room service, and front desk operations, but challenges often arise due to building structures and distances that hinder signal reception, leading to communication interruptions. These issues can potentially result in decreased operational efficiency and lower customer satisfaction. Our wireless communication repeaters enable stable communication even in areas with poor signal reception or obstacles, addressing the challenges of wireless communication in room service. 【Usage Scenarios】 - Communication among housekeeping staff - Order reception from room service - Information transmission between the front desk and guest rooms - Emergency communication 【Benefits of Implementation】 - Improved operational efficiency through enhanced staff collaboration - Increased customer satisfaction through rapid information transmission - Ensured safety through reliable information transmission in emergencies

• Wireless LAN

In the security industry, rapid information transmission and reliable coordination are essential. Particularly in security activities across extensive areas or within buildings, the stability of wireless communication is crucial. Communication disruptions caused by areas with no signal or obstacles can lead to delays in emergency responses. Our wireless communication repeaters address these challenges and support the efficiency of security operations. 【Usage Scenarios】 - Security in extensive areas such as commercial facilities, office buildings, and parking lots - Ensuring communication within buildings, underground, and in blind spots - Rapid information sharing and instruction transmission during emergencies 【Benefits of Implementation】 - Improved operational efficiency through expanded communication areas - Quick responses and accurate instruction transmission during emergencies - Enhanced safety for security personnel and strengthened security systems

• Wireless LAN

In the event industry, reliable wireless communication is essential for smooth operations, including visitor safety management, staff coordination, and emergency response. Especially in large venues or areas with many obstacles, radio waves can be difficult to reach, and communication interruptions may hinder operations. Our wireless communication repeaters eliminate communication disruptions caused by dead zones or obstacles, supporting event management. 【Usage Scenarios】 - Communication among staff at large-scale events - Guiding visitors at outdoor events - Emergency communication at indoor events - Information sharing at exhibitions 【Benefits of Implementation】 - Expanded communication areas - Reliable information transmission with clear audio - Improved responsiveness through rapid information sharing - Increased efficiency in event management

• Wireless LAN

In patient monitoring within medical settings, it is crucial to grasp the patient's condition in real-time. However, challenges arise in hospitals and facilities due to building structures, distances, and obstacles that can interrupt or prevent wireless communication. This can lead to delays or interruptions in the transmission of patients' vital data. Our wireless communication relay enables stable communication even in areas where signals do not reach or where obstacles exist, thereby improving the quality of patient monitoring. 【Usage Scenarios】 - Transmission of patient monitoring data from the patient room to the nurse station - Monitoring in operating rooms and intensive care units - Information transmission during emergency transport 【Benefits of Implementation】 - Enables real-time understanding of the patient's condition for prompt responses - Reduces the burden on healthcare professionals and improves operational efficiency - Enhances patient safety

• Wireless LAN

In the logistics industry, accurately understanding location information within warehouses and along delivery routes is extremely important for improving operational efficiency and safety management. In environments where radio signals are difficult to reach or where obstacles disrupt communication, location tracking systems may not function properly, potentially hindering operations. Our wireless communication repeaters enable communication even in areas without signal, supporting the accurate transmission of location information. 【Use Cases】 - Tracking forklifts and workers within warehouses - Understanding the location of delivery trucks - Managing cargo and personnel across vast premises 【Benefits of Implementation】 - Improved operational efficiency through real-time location information - Enhanced safety management - Rapid response to issues - Cost reduction

• Wireless LAN

To enjoy video viewing comfortably in the entertainment industry, a stable Wi-Fi connection is essential. Interruptions in video playback or slow loading times can significantly diminish viewer satisfaction. STJ Rental Wi-Fi utilizes cloud Wi-Fi and aims to provide a stable connection in various locations. This report evaluates its performance through actual usage experiences. 【Usage Scenarios】 * Watching videos while on the move * Streaming videos at event venues * Watching videos outdoors 【Benefits of Implementation】 * Enables video viewing anywhere, without location restrictions * Enhances viewing experience with a stable communication environment * Supports corporate use, contributing to improved operational efficiency

• Mobile phones, PHS, data communication cards

In the construction industry, remote monitoring requires safety management and efficient operations on site. Particularly in extensive sites or areas with many obstacles, the stability of wireless communication is crucial. If the signal cannot reach or communication is interrupted by obstacles, it can hinder the information transmission of the remote monitoring system, potentially delaying rapid responses. Our wireless communication repeaters extend communication distances and avoid obstacles, thereby enhancing the reliability of remote monitoring systems. 【Use Cases】 - Remote monitoring of the entire construction site - Monitoring of material storage areas and heavy machinery - Communication at high-rise building construction sites 【Benefits of Implementation】 - Stable operation of remote monitoring systems - Strengthened safety management on site - Improved work efficiency

• Wireless LAN

In the real estate industry, smooth information sharing is essential to convey the appeal of properties during viewings. If the Wi-Fi environment is not set up during a viewing, the display of detailed property information and videos may be delayed, potentially lowering customer satisfaction. STJ Rental Wi-Fi addresses these challenges by providing a comfortable Wi-Fi environment, facilitating smooth viewings. 【Usage Scenarios】 * Viewing property information during the showing * Displaying videos and VR content * Smooth information sharing with customers 【Benefits of Implementation】 * Increased customer satisfaction during viewings * Smooth communication of property information * Improved closing rates

• Mobile phones, PHS, data communication cards

In the medical industry, a stable communication environment with uninterrupted video and audio is essential for telemedicine. Since patients and doctors are in different locations, the quality of communication directly affects the quality of care. If the Wi-Fi connection is unstable, it can lead to delays in consultations or misunderstandings, potentially lowering the quality of medical services. STJ Rental Wi-Fi provides pocket Wi-Fi using cloud Wi-Fi technology, supporting the stable communication environment necessary for telemedicine. 【Usage Scenarios】 - Smooth communication between doctors and patients during telemedicine - Data transmission and reception in conjunction with medical devices - Ensuring a stable network environment during home visits 【Benefits of Implementation】 - Improvement in the quality of telemedicine - Increased patient satisfaction - Enhanced operational efficiency for medical institutions

• Mobile phones, PHS, data communication cards

In the event industry, live streaming requires high-quality video and audio transmission. Especially in environments where many attendees access simultaneously, the stability of Wi-Fi is crucial. If the connection is interrupted, the stream can be halted, potentially disrupting the progress of the event. STJ Rental Wi-Fi addresses these challenges and provides a Wi-Fi environment that leads to successful events. 【Usage Scenarios】 * Live streaming at large-scale events * Video streaming at exhibitions * Online streaming at seminars and lectures 【Benefits of Implementation】 * Ensuring a stable Wi-Fi environment * Reducing the risk of stream interruptions * Contributing to the success of the event

• Mobile phones, PHS, data communication cards

In online classes at educational institutions, a stable internet connection is essential. Interruptions and delays can hinder the progress of lessons and decrease students' motivation to learn. Especially in classes that use video and audio, the quality of the communication environment greatly affects the quality of the lessons. STJ Rental Wi-Fi aims to provide a comfortable online class environment to address these challenges. 【Usage Scenarios】 - Conducting online classes - School information sessions - Information sharing among faculty and staff 【Benefits of Implementation】 - Ensuring a stable communication environment - Conducting classes without location constraints - Smooth information sharing

• Mobile phones, PHS, data communication cards

Having a stable internet connection is essential for gathering information while traveling. Wi-Fi environments greatly influence the quality of travel, whether it's for map apps, translation tools, or searching for local information. However, challenges arise overseas due to unstable Wi-Fi environments or high roaming charges. STJ Rental Wi-Fi provides a comfortable internet environment to address these issues. 【Usage Scenarios】 * Searching for information during overseas travel * Using map apps while on the move * Uploading photos and videos to social media * Utilizing translation apps 【Benefits of Implementation】 * Ensuring a stable Wi-Fi environment * Saving on roaming charges * Improving the quality of travel through smooth information gathering

• Mobile phones, PHS, data communication cards

We would like to introduce a case study of the implementation of the portable digital simple radio "SR810UA" for our customers in the security industry. The security base shares its facilities with other companies, and there are numerous radios operating within the area, indicating room for improvement in the management system of the radios. Additionally, while multiple teams required radios, there was a desire to reduce the number of units as much as possible. After implementation, we were able to consolidate communications into one unit, allowing us to equip multiple teams with radios while reducing the overall number of units. Furthermore, the management of radios within the security base became simpler than before implementation, leading to operational improvements. 【Case Overview】 ■ Challenges - Each team was using two radios for internal communication and two for overall communication. - There was a need to reduce costs associated with radios. ■ Implementation Results - Operations became possible with just one radio. - Cost savings were achieved through a reduction in the number of radios. *For more details, please download the PDF or feel free to contact us.

• Other office supplies

Are you struggling with dead zones in wireless communication or insufficient communication range? A "wireless repeater" is an essential tool for improving the communication range of transceivers and radios. Clear communication is achievable even in areas where radio waves are hard to reach, large sites, or facilities with different levels, through the use of a repeater. In this article, we will thoroughly explain the basic mechanism of wireless repeaters, the benefits and precautions of their introduction, and how to choose one. We will also introduce our top three recommended wireless repeaters for licensed stations, so please be sure to read to the end. *For detailed content of the column, you can view it through the related links. For more information, please download the PDF or feel free to contact us.

• Other office supplies

The "SRD580" is a digital simple business radio that reliably supports business communications with advanced technology from YAESU Connect Light and shuts out interference with its interference avoidance feature. When it receives interference from non-members, it instantly switches to a backup channel to avoid the interference, ensuring that communication among members is not affected. Additionally, it boasts professional specifications such as high durability, 1400mW high sound quality and volume, high-performance noise cancellation, and long battery life. With 2W of high power, it achieves a wide coverage area, allowing communication even in places where specific low-power radios struggle to reach. 【Features】 ■Two convenient functions made possible by YAESU Connect Light ■Rich color variations in four colors ■Simple key model ■One-click hands-free function ■Area research function *For more details, please download the PDF or feel free to contact us.

• Other office supplies