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

On April 10, 2025, KDDI launched the "au Starlink Direct" communication service, which allows smartphones to connect directly to satellites, through collaboration with SpaceX. As a result, in areas where the sky is visible, it will be possible to exchange messages even in mountainous regions, remote islands, and disaster sites where communication has previously been difficult or temporarily unavailable. In this column, we will delve into the details of "au Starlink Direct," focusing on the basic mechanisms of satellite communication, how to use it on compatible devices, and the setup procedures, all explained in an easy-to-understand manner. *For more details of the column, you can view them through the related links. For further information, please feel free to download the PDF or contact us.

• Mobile phones, PHS, data communication cards

Last year, Apple announced the generative AI feature "Apple Intelligence," which became a major topic of discussion. The long-awaited Japanese version has finally arrived in April 2025! It's different from the previous Siri, packed with convenient features that make daily tasks much easier, such as assisting in the creation of text and images. In this article, we will clearly explain how to utilize Apple Intelligence in business settings, along with important points to consider. *For detailed content of the column, please refer to the related links. For more information, feel free to download the PDF or contact us.*

• Mobile phones, PHS, data communication cards

With the spread of ChatGPT and Copilot, generative AI is transitioning from a "futuristic technology" to an "essential practical tool" for business. Last year, Apple's announcement of Apple Intelligence has made AI a more familiar presence, and its use on business smartphones like the iPhone is also expanding. This article will explain the information leakage risks that companies may overlook when utilizing generative AI, as well as measures to use it safely. We will also introduce specific examples of how our company has implemented ChatGPT, so please refer to them. *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.*

• Mobile phones, PHS, data communication cards

In recent years, violence and abusive language directed at employees by customers, as well as excessive complaints (customer harassment, commonly known as "casuhara"), have become serious issues, particularly among small and medium-sized enterprises. To prevent such problems, Tokyo will implement a new ordinance starting in April 2025 and will support companies' measures through a subsidy system. As part of this initiative, "body cameras" are being highlighted as particularly effective tools. This article will explain in detail how the introduction of body cameras can be effective in addressing casuhara. *For more detailed information, please refer to the related links. For further details, feel free to download the PDF or contact us.*

• Surveillance Cameras

Do you have any concerns about managing business terminals? "Frequent configuration errors" "Spending too much time on inquiries" "Managing terminals is too cumbersome" Suntelecom Japan's original BPO service "MaruMoba" solves all of these issues. In this article, we will provide a detailed introduction on how MaruMoba's features, implementation benefits, and actual success stories can address terminal operation challenges. A must-read for those aiming to improve operational efficiency and promote DX. *For more details, you can view the related links. For further information, please download the PDF or feel free to contact us.*

• Other operation management software
• Mobile phones, PHS, data communication cards

Our company offers the 'iPhone 16e' as a corporate mobile phone and smartphone. Designed to make the most of Apple Intelligence, this personal AI provides strong support for tasks such as writing and task efficiency. You can create your own emojis and edit photos freely with the "Cleanup" feature. The body is made from high-strength aluminum material, achieving a tough structure that can withstand daily shocks and accidents. It protects you from everyday little mishaps. 【Features】 ■ Optimized for Apple Intelligence ■ Tough and sophisticated design ■ Industry-leading durability ■ Action button for various operations with one push ■ Versatile USB-C port *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

The "EXR-7000CR" is a digital simple business radio and relay device that can significantly extend communication range by being installed at a midpoint within a facility. It allows for highly confidential communication through user code and secret code settings. It is effective in environments where communication is difficult between digital simple radios and where mobile phones cannot be used. Additionally, it has a built-in large-capacity AC power supply, so there is no need to purchase a separate power source. 【Features】 ■ Enables communication in large areas and high-rise buildings ■ Equipped with backup DC power supply due to built-in large-capacity AC power supply ■ High output design with built-in duplexer *For more details, please download the PDF or feel free to contact us.

• Other network tools

We would like to introduce a case study of the digital simple radio "SR741 Amplification Type" implemented for customers operating ski resorts. Before the implementation, each team set up their own user codes and communicated individually, but this led to overlapping channels and simultaneous transmissions, making smooth communication difficult. By switching to a model that amplifies up to 97 channels, interference was completely eliminated, and the antenna was also changed to a shorter one. This made it easier to carry and store, improving work efficiency and mobility. 【Case Overview (Partial)】 ■Challenges - Interference with other teams' radios - Unwillingness to use radios with long antennas ■Implementation Results - Communication became smoother - Operations became more comfortable due to the shorter antenna *For more details, please download the PDF or feel free to contact us.

• Other network tools

We would like to introduce a case study on the implementation of the IP transceiver "IP510H (Dual SIM)" in the construction industry. Before the implementation, there were often physical barriers to signal reception due to the radio environment and working conditions, requiring movement to areas with communication capability or the need for a relay, which was inefficient. Additionally, we were searching for a new emergency communication service to replace MCA radio. Considering the need for an MCA alternative and communication in areas with poor radio conditions, we proposed this product. As a result of the implementation, communication became possible even in areas that were previously dead zones for regular IP radios and mobile phones. 【Challenges Faced by the Customer】 ■ Inability to communicate on-site using phones or simple radios ■ The MCA radio service will end in 2029, leaving no emergency communication means between the headquarters and the site *For more details, please download the PDF or feel free to contact us.

• Other network tools

A business radio is a communication device used for business communication, emergency information transmission, and on-site instructions. To improve operational efficiency and safety, they are actively used in various settings such as construction sites, security, transportation, and event management. This article provides detailed explanations of the basic knowledge, types, selection criteria, and 15 recommended models of business radios based on distance. It offers information to help you find the suitable radio to streamline operations on-site. *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 network tools

The "GRATINA (KYF44)" is a mobile phone designed for businesses, equipped with high-quality call capabilities and a reliable recording function. If there are two or more missed calls from the same person within 10 minutes, the ringtone will gradually increase in volume, and the vibration duration will be extended. Additionally, without the need for earphones or conversion cables, you can listen to the radio within the broadcast area by simply touching the bottom of the device. This feature allows you to obtain useful information during emergencies, such as disasters. 【Features】 ■ Advanced call functions to ensure you never miss important calls ■ Durable and hygienic, providing comfortable use over time ■ Smart features and peripherals that evolve your work style *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

The "DIGNO Tab2 5G KYT35" is a 5G-compatible tablet that strongly supports business operations. It supports NFC reading and payments without the need for an external reader, and it is equipped with reliable durability and comprehensive business functions for on-site use. Additionally, it supports Dual SIM with both physical SIM and eSIM, allowing multiple networks to be utilized on a single tablet. This enables communication redundancy and can be effectively used as a BCP (Business Continuity Plan) measure. 【Features】 ■ Supports NFC reading and payments without an external reader, all in one device ■ Reliable durability and comprehensive business functions for on-site use ■ Streamlining of management tasks and robust security measures *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment
• Notebook PC

Smartphones are essential items that support business efficiency and communication both inside and outside the company. However, what if important data were to leak externally due to loss or theft? Just imagining it is chilling, isn't it? To reduce such risks, Apple's security feature "Activation Lock" is gaining attention. In fact, this feature is quite useful for managing corporate smartphones. "What exactly is Activation Lock?" "How do you use it?" In this article, we will clearly explain its mechanism, benefits, and how it can be effectively utilized for corporate purposes. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.*

• Mobile phones, PHS, data communication cards

The "TLK25" is a Wi-Fi radio that enables flexible and high-degree communication. It features a compact and intuitive voice assistant (voice recognition & function operation) that utilizes a Wi-Fi communication network, designed with usability, efficiency, and safety in mind. Additionally, it aims to facilitate each task quickly and smoothly with a small, intelligent device. 【Features】 ■ Intuitive voice assistant ■ Wi-Fi connection utilizing IP communication network ■ Full front PTT button & compact form *For more details, please download the PDF or feel free to contact us.

• Other network tools
• Other PCs and OA equipment

In recent years, Bluetooth-enabled models of transceivers that can be used wirelessly have been gaining attention. By utilizing Bluetooth, earphones and headsets can also be connected wirelessly, allowing for greater freedom of movement. This eliminates the hassle of wired connections and enables comfortable communication without cords, making it useful in many settings such as construction sites and event management. This article will provide a detailed explanation of the communication mechanism, benefits, connection procedures, and usage methods of Bluetooth-enabled transceivers. *For more detailed information, please refer to the related links. Feel free to contact us for more details.*

• Other network tools
• Other PCs and OA equipment

We would like to introduce a case study of the IP wireless device "IP502H (Dual SIM)." Previously, IP wireless devices used mobile phone networks for communication, making prior radio wave surveys essential. We would conduct on-site surveys or check the coverage area maps of each carrier, which was a cumbersome task. As a result of the introduction, we can now equip the device with SIM cards from two carriers, eliminating the need for on-site radio wave surveys and ensuring more reliable communication. [Challenges] ■ It is cumbersome to check the carrier each time when using the IP wireless device. ■ The number of units required varies significantly from site to site. ■ We want to keep running costs low. *For more details, please download the PDF or feel free to contact us.

• Other network tools
• Other PCs and OA equipment

We would like to introduce a case where a digital simple wireless relay system "TCB-D239CR" was implemented at an aquarium. In this facility, digital radios were being used; however, due to special obstacles such as the glass and water of the tanks, communication between the handheld devices at positions across the tanks was not functioning well. By placing the relay system, communication improved, and the relay device could be positioned out of sight of the customers, allowing for installation without compromising the aesthetics of the facility. [Challenges] - Communication dead zones caused by the tanks - Establishing a means of communication - Aesthetic considerations within the facility *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment
• Other network tools

Our company offers a radio rental service for corporations and various organizations. If you need equipment for a short period or only a few times a year, you can save costs compared to purchasing. You can rent only the number of units you need when you need them, allowing for efficient operation even if the number of staff varies for each event. The rental equipment is delivered fully charged and in a clean condition. We also offer registered radio equipment that does not require a license application. 【Features and Benefits】 ■ Rental is recommended for short-term use or low-frequency usage ■ Radio rental does not require a license application ■ No need for in-house maintenance, saving you time and effort ■ In case of any issues, a replacement unit will be provided immediately *You can view a summary of the service and a diverse lineup of options by clicking the download button below. Please feel free to contact us with any inquiries.

• Rental/lease

The "IC-DU6505BN PLUS" is a vehicle-mounted digital simple radio equipped with an interface for network connection. It connects digital simple radios via IP, expanding communication range and eliminating dead zones. It achieves an expanded communication range through IP line connection. It is equipped with IP54 dust and splash resistance, ensuring reliability in outdoor operations and environments where water splashes may occur. 【Features】 ■ Achieves expanded communication range through IP line connection ■ IP54 dust and splash resistance ■ Supports emergency calls ■ Intuitive operation ■ Comes standard with a command microphone *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce a case study of the "Comprehensive Mobile Business Support Service (Marumo)" and "STJ Fault Support (i) 1 Year" in building comprehensive management. In the company, when a smartphone malfunction occurred, repair requests were made through the internal device management department via the telecommunications provider, but there were challenges such as the time-consuming process. After the implementation, by outsourcing the response contact point for malfunctions to our company, it became possible to handle repair requests from users, arrange for spare devices, and collect malfunctioning equipment in a one-stop manner. 【Case Overview】 ■Challenges - Need to reduce processes - Lack of knowledge about MDM, leading to operational pressure ■Effects - One-stop response - MDM professionals handle the situation, reducing the burden on the management department *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce case studies of the "Comprehensive Mobile Business Support Service (Marumo)" and "OptimalBiz (MDM)" in the machine processing business. The company contracted an MDM provided by a telecommunications carrier when introducing business terminals, but faced challenges such as lacking the know-how for environmental setup, which limited its utilization. After implementation, by utilizing MDM operation support, they achieved reliable operation with comprehensive support. Tasks that are prone to occur, such as setting and changing management information, can now be completed in-house. [Case Overview] ■Challenges - Difficulties in managing devices - Lack of knowledge about MDM ■Effects - Automation with MDM tools - Support from MDM professionals *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce a case study of the "Comprehensive Mobile Business Support Service (Marumo)" in the energy solutions industry. The company faced challenges as they were overwhelmed with other tasks such as PC, network, and business systems, leaving them unable to manage smartphone-related operations. After implementation, all individual kitting that was previously done in-house was entrusted to us. By shipping directly to users without going through the management department, we were able to shorten delivery times. 【Case Overview】 ■Challenges - Wanted to delegate management tasks and consolidate requests and inquiries - Business operations were being strained ■Effects - Significant reduction in errors - Easier progress and management checks, reducing the burden on the management department *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce a case study of the "Marugoto Mobile Business Support Service (Marumo)" implemented in the welfare equipment and home care support business. The company was considering vendors that could handle everything from device procurement, kitting, MDM operation support, to device storage in a seamless manner. After implementation, our staff, who have extensive expertise, responded to inquiries, enabling quick answers and early resolutions to questions that previously took time to address. [Case Overview] ■ Challenges - Setting up, procuring, and managing business devices ■ Effects - Improvement in internal service levels - Reduction of burden on internal management departments - Workflow applications reduced to one-third of the previous volume *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce a case study of the "Comprehensive Mobile Business Support Service (Marumo)" in the telecommunications and information communication industry. The company faced challenges such as wanting to manage mobile devices in bulk using a Mobile Device Management (MDM) system, but lacking personnel with the necessary knowledge in-house. After implementation, by using MDM to collectively perform the previously time-consuming device configuration tasks, the delivery time was shortened, and smooth distribution of devices to each employee was achieved. [Case Overview] ■Challenges - Large-scale kitting is difficult - Lack of MDM knowledge is putting pressure on operations ■Effects - Significant reduction in errors - MDM professionals handled the situation, reducing the burden on the management department *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

In the era of digital transformation, as companies are required to improve productivity and streamline operations, the iPad is gaining attention as a solution. Not only is it portable, but its excellent usability and the abundance of business-oriented applications support various operations in different settings. In this column, we will not only introduce the features of each iPad model, recommended accessories, and useful business applications, but also present specific examples of companies that have achieved digital transformation through the use of iPads. *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.*

• Other PCs and OA equipment

"Stock Rental" is an original service from STJ Rentech that can be used at a lower cost than short-term rentals or purchases. It is common to not only outsource the entire operation but also to simultaneously implement improvements aimed at increasing efficiency, such as reviewing business flows and optimal personnel allocation. Management and operational tasks for smartphones introduced in the company can also be outsourced to external vendors using BPO services. 【Features】 ■ Cheaper than short-term rentals or purchases ■ Utilizes interference-resistant licensed frequencies ■ Leave the troublesome license management and maintenance to us ■ Offered at a lower price than regular rental rates, with Stock Rental special terms *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce a case study on the introduction of the vehicle-mounted digital simple business radio "IC-DU6505BN PLUS" in school-related facilities. The school was seeking a solution that would expand the communication environment of the newly constructed building while maintaining compatibility with existing equipment and allowing for integrated operation. After the introduction, detailed area surveys and demonstration experiments were conducted in locations where communication had previously been interrupted, ensuring a reliable communication range, which created an environment where all staff could use the radios with peace of mind. 【Case Overview】 ■Challenges - The construction of a new building disrupted existing communication. - There was a desire to enable communication throughout all buildings, but construction and replacement of radios were difficult. ■Benefits - Communication over a wide area became possible. - Management became easier without the need for construction. *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce a case study on the seasonal rental of the "Digital Simple Radio SR741" at ski schools. The company considered that at ski resorts, especially near the mountain summit or in valleys, mobile phones often do not have signal, making them unreliable for emergency communication. Radios communicate without relying on base stations like mobile phones, making them perfect for maintaining contact in areas with poor reception or near mountain summits. 【Case Overview】 ■ Challenges - Feeling that students cannot hear instructions during lessons - Difficulty operating smartphones while wearing gloves, and concern about dropping them ■ Proposal - Clear sound with earphones, ensuring that voices are heard even from a distance - Easy operation using a remote speaker microphone *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce a case study on the implementation of the "Wireless LAN Transceiver IP110H" in a nursing and welfare facility. In this facility, business communications were conducted via PHS, but due to the nature of the work, there were times when both hands were occupied, making easy and hands-free communication a necessity. After the implementation, communication became much simpler, as it was possible to communicate with everyone by simply pressing one PTT button, facilitating easy information sharing. 【Case Overview】 ■Challenges - Concerns about high-output radios - Communication distance not covered by specific low-power transceivers ■Benefits - Simplification of business communications and hands-free communication - Simultaneous calls that are reassuring even for first-time users *For more details, please download the PDF or feel free to contact us.

• Other PCs and OA equipment

Digital simple radios are wireless devices that utilize digital communication signals and are essential communication tools for businesses and events. However, purchasing them can lead to significant costs and maintenance burdens. In this article, we will provide detailed information on the basics of digital simple radios, the benefits of renting, recommended models, usage scenarios, and procedures. We hope you find it helpful for selecting the right model and utilizing rental services according to your needs. *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 PCs and OA equipment

IP radios utilize internet connections such as mobile phone networks and Wi-Fi, combining the primary advantage of radios, which is "one-to-many communication," with the appeal of mobile phones. They are used in various situations, including events, construction sites, and security. This page introduces IP radio rentals. Along with recommendations for models, we will provide a detailed explanation of the features of IP radios, the benefits of renting, usage scenarios, pricing, and procedures. If you are considering using radios or looking for efficient operational methods, please refer to this information. *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 PCs and OA equipment

Before choosing a radio, transceiver, or intercom, it's important to know the types of radios available. In this article, we will provide a detailed explanation of the types of radios, from satellite radios to specific low-power transceivers, along with their features. We will also introduce prices for purchase and rental, usage scenarios, and recommended models, so please use this information as a reference for selecting the right radio equipment for your needs. *For more detailed information, you can view the related links. For further details, please download the PDF or feel free to contact us.*

• Other PCs and OA equipment

Radio frequency refers to the frequency at which radio waves are transmitted and is the fundamental mechanism of wireless communication. This article serves as the first installment in a series on the basic knowledge of radios, transceivers, and intercoms, explaining the mechanism of radio frequency, the main frequency bands of radios (transceivers), how to adjust frequencies, and key points for selection. We provide essential information that those considering the introduction of radios or looking to choose more suitable equipment should know. *For detailed content of the column, please refer to the related links. If you are considering renting or purchasing radios, transceivers, or intercoms, please feel free to contact us.*

• Other PCs and OA equipment

"STJ Rental Wi-Fi" is a rental Wi-Fi service for businesses that supports high-capacity communication. With a simple monthly plan design, it is ideal for short-term use at events and exhibitions. There are no administrative fees or equipment costs, and there are no usage limits based on dates. Thanks to cloud Wi-Fi technology that automatically connects to three carriers (docomo/au/SoftBank), it provides a communication environment suited to the location. Remote work and video streaming can be done smoothly. 【Features of the newly launched BCP plan】 ■ Low price └ 1,000 yen/month for usage up to 1GB └ 1,500 yen/month for usage up to 3GB ■ Provides stable communication with automatic connection to three carriers ■ Immediate use available when needed ★ A no-commitment 100GB plan (4,000 yen/month) is also available! *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Rental/lease

We would like to introduce our "Stock Rental" service. This service allows us to apply for a license for the radio equipment we own in the name of the contractor, and we lend out the desired number of radios whenever the contractor wants to use them. There are no costs for purchasing the radio equipment, and there is no need for license applications, equipment management, or maintenance. You can use the licensed station more easily and casually. 【Benefits】 ■ Rental of licensed stations that are less prone to interference ■ Leave the troublesome license management and maintenance to us ■ If you use the radio equipment every month, it is more cost-effective than short-term rentals or purchases *For more details, please refer to the related links below and feel free to contact us.

• Rental/lease

In this article, a wireless vendor will explain the background of the release of the digital simplified license bureau's repeater, how it can be used, and what issues it can actually resolve. We will also introduce usage examples based on actual usage scenarios, so please be sure to check them out. *You can view the detailed content of the column through the related links. For more information, please feel free to contact us.

• Mobile phones, PHS, data communication cards

To our warehouse customers, we would like to introduce a case study on the implementation of "wireless communication devices" that we handle. We made changes to facilitate communication from the warehouse to the office and to ensure that no communications from the office are missed, in order to prevent mistakes due to missed communications in business operations. As a result of the implementation, contacting the office has become possible through secondary PTT, eliminating the need to change channels. [Case Overview (Partial)] ■Industry: Warehouse ■Adopted Manufacturer: Motorola Solutions, Inc. ■Model Implemented: Portable Digital Simple Radio "MiT3000" ■Number of Units Implemented: 10 units *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

eSIM is a system that allows users to utilize communication carrier services using a digital SIM embedded in devices such as smartphones. It enables online contracts and immediate activation, and it also supports dual SIM functionality, leading to an increase in companies adopting it for corporate contracts. In this column, we will provide a detailed explanation of the basic mechanism of eSIM, its advantages and disadvantages, as well as recommended models for corporate use and integration with Mobile Device Management (MDM). *For more details on the column, please refer to the related links. Feel free to contact us for more information.

• Mobile phones, PHS, data communication cards

We would like to introduce the "iPhone 16 Pro for Corporations" that we handle. With an ultra-thin bezel and an expansive display, visibility is clearer than ever, featuring a durable titanium design. Additionally, the battery lasts even longer, allowing for 27 hours of video playback. The emergency SOS and collision detection features, compatible with satellite communication, provide a means to seek help even outside of cellular coverage. 【Features】 ■ Apple Intelligence ■ Smooth camera operation ■ Equipped with A18 Pro chip ■ 4K120fps Dolby Vision ■ 48MP ultra-wide camera *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

We would like to introduce the "iPhone 16 for Businesses" that we offer. Designed for high durability and colorful aesthetics, ensuring long-lasting beauty. Camera operation is simple, allowing for perfect shots with minimal actions. Additionally, the battery has been further enhanced, and with the A18 chip, it achieves overwhelming speed and intelligence. 【Features】 ■ Ultra-wide camera ■ Further enhanced battery ■ Overwhelming speed and intelligence with the A18 chip ■ Instant access to necessary operations with the action button ■ Emergency SOS and collision detection features with satellite communication support *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

We would like to introduce the "iPad 9th Generation for Businesses" that we offer. It features the A13 BIONIC chip, which delivers high processing power and graphic performance, along with a battery life that lasts all day. Additionally, the display is a vibrant 10.2 inches, providing an ideal visual experience for drawing beautiful illustrations, focusing on work, enjoying movies, and any other applications. 【Features】 ■ A13 BIONIC chip ■ 256GB of large storage capacity ■ Wide-angle camera with center frame support ■ Enjoy handwriting and typing freely ■ Expands new experiences wirelessly *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

We would like to introduce the "Corporate Mobile Phone and Corporate Smartphone Rate Plan List" that we handle. The "Smartphone Start Plan Basic 5G/4G" is a recommended plan for those using a smartphone for the first time, allowing data communication of up to 30GB. In addition, we also offer various plans such as the "Smartphone Start Plan Light 5G/4G," "Unlimited MAX 5G/4G," and "Smartphone Mini Plan 5G/4G." 【Plan Lineup】 ■ Smartphone Start Plan Basic 5G/4G ■ Smartphone Start Plan Light 5G/4G ■ Unlimited MAX 5G/4G ■ Smartphone Mini Plan 5G/4G *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

Introducing the rental plan for the "Body Camera VB400"! This rental plan is a service that excels in a wide range of applications, including capturing footage on factory production lines, visualizing business achievements, and serving in various settings such as police, fire departments, private security companies, and event sites. By utilizing high-resolution 1080P video, it achieves detailed recording and provides highly reliable data as evidence footage with the body camera. Experience the performance of a camera that has been widely adopted around the world. 【Features】 ■ Provision of video recording system ■ Records footage from 120 seconds prior ■ Automatic data transfer ■ High-quality 1080P Full HD video for clear recording of details ■ Dust and water resistance based on MIL-STD-810G standards ■ Capable of long-duration recording for up to 8 hours ■ Live streaming support via Wi-Fi ■ Safe data transfer through a dedicated charging cradle *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Color camera

The Radio Law regulates the use of radio communications within Japan and aims to ensure the proper use of radio waves and prevent interference. It was partially amended in 2005, strengthening the regulations on radio equipment. The law stipulates the proper use of frequencies for radio communications, a licensing system, prevention of radio interference, and protection of communication privacy. This article provides a clear introduction to the basics, objectives, regulations, and the process of obtaining licenses and amplifying signals under the Radio Law. Please read through to the end. *For detailed information on the column, please refer to the related links. Feel free to contact us for more details.*

• Communications

Digital simple radio refers to a type of simple business radio that transmits using digital signals. Compared to traditional analog systems, it features clearer audio and less noise. It helps improve the efficiency of business communications and enhance safety. This article will explain the basics of digital simple radio, the differences between licensed and registered stations, the digitization of radios, and the increase in channels. *For detailed content of the column, you can view it through the related links. For more information, please feel free to contact us.

• Communications