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

We would like to introduce a case study on IP radio rental for ski resort operations by Icom Inc. The manufacturer had concerns that their previous digital radios did not provide coverage in certain areas, making it dangerous as communication could fail during emergencies. As a result of the implementation, communication using LTE lines enabled coordination with staff spread over a wide area. [Case Overview (Partial)] ■ Challenges - No perceived benefits in purchasing since they are only used during the winter season - Interference with nearby ski resorts ■ Results of Implementation - Radios used only during the necessary periods through rental - Communication via a dedicated server resolved interference issues with other ski resorts *For more details, please download the PDF or feel free to contact us.

• Communications

As various events are beginning to regain their vibrancy, the number of exhibitions and events held in person is also increasing across different regions. In this article, we will introduce a wide range of rental achievements, including commonly used models at exhibitions, how to use wireless devices, and popular services all at once. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.

• Communications

At school events such as cultural festivals, entrance exams, and graduation ceremonies, radios and transceivers are very useful. Even at a distance, you can contact multiple people at once with the push of a button, and they are extremely helpful in responding to emergencies. This time, we will introduce how radios and transceivers, which are essential for various school events, can be used in different situations. *For detailed content of the column, you can view it through the related links. For more information, please feel free to contact us.

• Communications

There are two main types of smartphones. One is the iPhone, which uses iOS, and the other is the Android smartphone, which uses Android OS. When considering implementation, some corporate representatives may wonder, "Which is better for corporate use, iPhone or Android?" Both iPhone and Android have their own features and advantages, but this time I will explain the recommended points of Android smartphones. I will also introduce recommended models for businesses and convenient services, so please use this as a reference. *You can view the detailed content of the column through the related links. For more information, please feel free to contact us.*

• Embedded applications for mobile phones and PDAs

Recently, there has been an increase in pocket Wi-Fi services using cloud SIM technology. Cloud SIM is a pocket Wi-Fi that allows data communication at low rates over a wide area without the need for a specific carrier's SIM. For those in charge of companies using traditional major carrier pocket Wi-Fi, this may be an unfamiliar service. This time, we will introduce the advantages and disadvantages of cloud Wi-Fi, as well as rental services that can be used at a good price, aimed at those individuals. Please consider this as a reference. *You can view the detailed content of the column through the related links. For more information, please feel free to contact us.

• Communications

The "iPhone SE (3rd generation)" offers a smooth user experience with comfortable operability and long battery life, thanks to its fast chip and optimized battery, while supporting advanced features. It has improved drop resistance and effectively protects the device from scratches and scuffs. With splash and dust resistance, you can feel secure even if you spill a drink, supporting your active daily life. 【Features】 ■ Equipped with a super-fast processor ■ Long-lasting operation with a large-capacity battery ■ Supports high-speed communication ■ High-performance camera to vividly capture memories ■ Advanced technology condensed into a compact body *For more details, please download the PDF or feel free to contact us.

• Embedded applications for mobile phones and PDAs

The "Speed Wi-Fi 5G X12" is a pocket-sized WiFi device that supports 5G and Wi-Fi 6, enabling high-speed and stable wireless communication. It is compatible with WPA3, the advanced version of WPA/WPA2, which provides enhanced security measures while maintaining compatibility with WPA2. Additionally, it features a lightweight and easy-to-hold body, equipped with a 4000mAh battery, allowing for approximately 9 hours of continuous communication even while on the go. 【Features】 ■ Supports 5G networks and Wi-Fi 6 ■ Compatible with the advanced Wi-Fi security standard WPA3 ■ Long-lasting battery and lightweight, easy-to-hold body ■ Easy to configure various settings ■ Improved functionality *For more details, please download the PDF or feel free to contact us.

• Routers, Switches, and Hubs

The "Speed Wi-Fi 5G X01" is a Wi-Fi router that supports a hybrid network of 4G and 5G, compatible with both "Sub6" and "millimeter wave" bands in the 5G frequency range. It has a built-in 2.5GBASE-T wired LAN port, eliminating the need for a cradle. You can utilize high-speed communication in various locations and situations. Additionally, by connecting a business camera to the X01 with a single LAN cable, you can reliably stream 4K video. This ensures that video and audio are delivered to viewers without interruption. 【Features】 ■ 5G-compatible Wi-Fi router ■ Built-in multi-gigabit wired LAN port for experiencing high-speed communication ■ Utilizes Wi-Fi 6 and USB 3.0 (Type-C) to enable various connection methods for 5G *For more details, please download the PDF or feel free to contact us.

• Routers, Switches, and Hubs

The "Lenovo Tab M10a 5G" is a 5G-compatible tablet for businesses that features a Snapdragon(TM) 695 CPU. In 5G areas, it enables high-speed communication, making video conferencing and video viewing comfortable. It comes with 4GB of RAM, allowing the simultaneous use of multiple business applications. Additionally, it supports 64GB of ROM storage and is compatible with a 1TB microSDXC(TM) card, enabling the storage of large data volumes. 【Features】 ■ Sturdy dustproof and waterproof design ■ Full HD with narrow bezels ■ Smooth visuals that are easy to see from any angle ■ Reading mode ■ Screen split function and floating mode *For more details, please download the PDF or feel free to contact us.

• Embedded applications for mobile phones and PDAs

The "GRATINA" is a standard mobile phone that can be used for a long time in business. When a call ends, the content of the previous call is saved as audio data. You can listen to it again later. Additionally, when changing models, you can transfer the audio data recorded and saved on this product to a new model using a microSD memory card (sold separately). 【Features】 ■ Save and output important call records ■ Various functions to ensure you don't miss incoming calls ■ Clear audio quality ■ Durable for long-term use ■ Security measures with a model that has no camera *For more details, please download the PDF or feel free to contact us.

• Embedded applications for mobile phones and PDAs

In recent times, unprecedented disasters such as earthquakes, heavy rains, and tornadoes are occurring frequently. In disaster-prone Japan, BCP measures (Business Continuity Planning) are essential. This article explains the recommended points for radios and transceivers in BCP measures. We will clearly introduce the advantages such as more stable communication compared to mobile phones and group communication. Additionally, we will highlight recommended models based on different uses. Let's implement radios and transceivers for disaster situations and BCP measures to ensure thorough preparedness. *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.*

• others

The "IP510H" is a compact-sized, tough-bodied IP radio and IP transceiver that is among the smallest in the industry. It supports cable-free operation, freeing you from the hassle of wired cables getting caught, thus improving usability and mobility. Additionally, it features a highly versatile USB Type-C charging port, providing peace of mind during emergencies or sudden battery depletion. 【Features】 ■ A hybrid type IP transceiver that can be used on LTE networks and Wi-Fi environments ■ Dual SIM for redundancy ■ Equipped with Bluetooth functionality ■ Supports simultaneous calls, multiple calls, and interrupt calls ■ USB Type-C charging port ■ Can connect to high-security standard networks compatible with WPA3 *For more details, please download the PDF or feel free to contact us.

• others

The "IP510H" is a hybrid type IP transceiver that can communicate over LTE networks and wireless LAN environments. It can automatically switch between LTE and wireless LAN without any operation from the user, ensuring that communication is not interrupted when moving between outdoor and indoor locations or when either connection is in a dead zone, allowing for worry-free use. Additionally, we offer the digital simple radio relay system "TCB-D239CR" and the intrinsically safe explosion-proof radio "NX-330EXCT." [Features] ■ IP510H: Can be used as a successor to MCA, demo units, new products, and for regular operations + BCP ■ TCB-D239CR: For expanding coverage in locations such as ski resorts ■ NX-330EX: Analog users of explosion-proof devices are facing increasing restrictions on analog usage *For more details, please download the PDF or feel free to contact us.

• Wireless LAN

This article explains "satellite wireless," which is essential for ensuring communication in BCP measures. In recent times, unprecedented disasters such as earthquakes, heavy rains, and tornadoes have been frequent, and you may be struggling with communication methods during such emergencies. What we are introducing this time is the IC-SAT100, a wireless device that communicates through 66 communication satellites. *You can view the detailed content of the article through the related link. For more information, please feel free to contact us.

• Communications

The number of marathon and sports events increases in August and September. In marathon events, staff and volunteers are spread over a wide area, so there are many situations where on-site responses alone are insufficient and coordination is necessary. This time, we will introduce how to choose suitable models that can be used in large-scale venues like marathons, as well as in mountainous areas, by the sea, or in rainy environments, along with popular models. *For detailed content of the article, please refer to the related links. For more information, feel free to contact us.

• Communications

The "TCB-D239CR" is a digital simple radio relay system that incorporates NEXEDGE CR. It is suitable as a solution for communication difficulties in dead zones where digital simple radios cannot communicate with each other. With 16 types of user code settings and individual/group specified IDs, it offers high confidentiality and can prevent interception by third parties. 【Features】 ■ Enables communication in large areas and high-rise buildings ■ Stable operation with heat-controlled cooling fans ■ Clear audio calls that are easy to understand ■ Interference countermeasures and high confidentiality communication settings ■ Remote operation via web tools is also possible *For more details, please download the PDF or feel free to contact us.

• Communications

The "DIGNO(R) Tab KYT34" is a durable and convenient business tablet that promotes digital transformation (DX) for companies. It has waterproof ratings of IPX5/IPX8 and dustproof rating of IP6X. It is designed for work in environments such as wet areas, outdoor settings with sudden rain, and factories with a lot of dust. It can be easily wiped clean with alcohol disinfectant wipes, making it hygienic to use. It is ideal for professions and places where cleanliness is important. 【Features】 ■ Durability designed for diverse business uses and locations, with reliable domestic design and production ■ Functionality designed with field use in mind ■ Comprehensive charging solutions ■ Android Enterprise Recommended compliant ■ Device restriction app (Device Control app) specialized for corporate use *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

The "TORQUE G06" is a product with overwhelming durability and a tough body that can handle various scenes. It has undergone drop tests onto a heavily textured knurling that is more uneven than sandpaper, as well as impact tests on the screen using a pointed notch. With a durability that has cleared a record 29 tests in TORQUE history, it expands the range of activities for your business. 【Features】 ■ Robust durability ■ Supports eSIM/Dual SIM ■ Triple camera ■ Accessories (sold separately) that expand business use cases *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

The "Galaxy A23 5G" is a simple and comfortable 5G business smartphone that propels your business forward. It features a MediaTek Dimensity 700 CPU (2.2GHz/2 + 2.0GHz/6 = 8 cores). Additionally, it supports external memory with a microSDXC card of up to 1TB, allowing you to store a large amount of data such as on-site photos and meeting recordings. 【Features】 ■ Easy to use ■ "Better safe than sorry" functionality ■ Easily and quickly transfer important data *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

The "Google Pixel 7a" is a business-oriented smartphone that improves speed, efficiency, and security compared to its predecessor, the Google Pixel 6a, by incorporating the Google-designed Google Tensor G2 chip. This chip is also used in the Google Pixel 7 and Google Pixel 7 Pro, and with enhanced AI features, it achieves improvements in call voice quality, extended battery life, and enhanced photo and video quality through blur correction. To protect users and confidential information, Google Pixel provides a minimum of five years of security updates and continuously applies advanced security updates to enhance safety. 【Five Recommended Points】 ■ Intelligence ■ High security features ■ Long-lasting battery ■ Convenient features ■ Environmentally conscious product development *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

The "DIGNO(R)SX3" is a rugged 5G smartphone equipped with a large-capacity battery. Thanks to the device's heat dissipation technology, it suppresses temperature rise, allowing for comfortable use even during long calls or remote meetings. You can feel secure even when you can't fully charge it during sudden business trips. 【Features】 ■ Long-lasting use with a 4,500mAh large-capacity battery ■ Complies with 20 MIL standards ■ Device management features to meet customer needs ■ Safe management with Android Enterprise Recommended compliance *For more details, please download the PDF or feel free to contact us.

• Mobile phones, PHS, data communication cards

Transceivers (radio equipment, intercoms) are convenient communication tools that are active in various situations such as construction sites and event venues. In this article, we will introduce the knowledge you should know before using transceivers (radio equipment, intercoms), basic usage, examples of use, and tips on how to speak. Please use this article as a reference to utilize transceivers more effectively and achieve a more comfortable communication environment. *For detailed content of the article, you can view it through the related links. For more information, please feel free to contact us.

• Other network tools

There are various types of radios, intercoms, and transceivers, each with different uses and functions, but they are all wireless devices that utilize radio waves for voice communication. When actually using them, communication distance is particularly important. However, did you know that this communication distance can vary greatly depending on the model and the environment in which it is used? In this article, we will explain the basics of radios, intercoms, and transceivers, as well as the differences in communication distance and methods to extend that distance. We will also introduce recommended models based on distance, so please read to the end. *You can view detailed content of the article through the related links. For more information, feel free to contact us.*

• Other network tools

An intercom is a wireless device that allows multiple people to communicate simultaneously within a specific distance. It offers different conveniences compared to radios and transceivers. Intercoms are used in various settings such as call centers, event venues, and construction sites. This article will provide a detailed explanation of the basic knowledge of intercoms, how to use them, the differences between intercoms and radios or transceivers, and the advantages of intercoms. If you are considering implementing an intercom system, please use this as a reference. *For more detailed information, you can view the related links. Feel free to contact us for more details.*

• Other network tools

Wireless radios are an essential tool for communication at events and construction sites, but have you ever felt dissatisfied with the communication distance or quality? In such cases, we recommend IP wireless radios and IP wireless applications. In this article, we will introduce the differences between IP wireless radios and mobile phones/smartphones, as well as the features, benefits, and usage of IP wireless applications. Please take a look for reference. *For detailed content of the article, you can view it through the related links. For more information, please feel free to contact us.

• Other network tools

IP radios are wireless devices that use mobile phone communication networks or internet connections to make calls. Unlike conventional radios, they do not require a license or registration, making them easy to use. Additionally, they allow for calls throughout Japan, and with a flat-rate fee structure, costs can be kept low. This page will explain the communication mechanism of IP radios, their types, advantages, disadvantages, recommended models, and use cases. *For detailed content of the article, you can view it through the related links. Please feel free to contact us for more information.*

• Other network tools

The season for shareholder meetings, exhibitions, and events is approaching, but are you ready with your radios? Radios are essential for smooth operations and trouble response, but with so many types available, some may be unsure about which to choose. This time, we will focus on shareholder meetings and introduce the models that received particularly positive feedback from those who have actually used rental radios. *You can view the detailed content of the article through the related links. For more information, please feel free to contact us.*

• Other network tools

Summer is just around the corner, and behind the lively fireworks festivals where many people gather, various stakeholders are collaborating to manage the event. At the center of this operation are radios and transceivers. They are essential tools for improving the efficiency of event management by allowing instant communication. On this page, we will explain how radios and transceivers are used in the management of fireworks festivals based on past usage records, and which types of radios are most suitable. *For detailed information, please refer to the related links. Feel free to contact us for more details.*

• Other network tools

The importance of communication is increasingly rising, and radios, transceivers, and intercoms (hereafter referred to as radios) are essential tools in modern business. Even though there are many types of radios, you may encounter unfamiliar terms or have a general understanding but lack detailed knowledge, which is quite common. This glossary was created to explain the complex words and concepts related to radio communication in a simple and clear manner. It summarizes the terms that come up regarding the types, management, and operation of radios, so I hope you find it helpful. *You can view the detailed content of the article through the related links. For more information, please feel free to contact us.*

• Other network tools

Smartphones and mobile phones have become indispensable tools in business. However, there are many specialized terms that are emerging, and while we may have a general understanding of their nuances, we often do not know their original meanings. This smartphone glossary mainly picks up and lists terms that you might hesitate to ask someone about or that are not widely recognized. When introducing smartphones, there are several points to consider, such as security measures and app selection. We hope this glossary will assist you in your smartphone adoption and operation. *You can view the detailed content of the article through the related links. For more information, please feel free to contact us.*

• Embedded applications for mobile phones and PDAs

The premium internet service provided by "USEN GATE 02" is an ultra-fast internet service with speeds of up to 10Gbps. Unlike shared fiber optics used by multiple users, the premium internet offers a dedicated line service that provides a direct fiber optic connection to each customer, ensuring stable communication. By using a dedicated line, the service is less affected by other users, resulting in stable communication and the ability to create a comfortable internet environment. 【For those with the following concerns】 ■ Haven't reviewed the network in a long time ■ Increased web conferencing compared to before ■ Complaints about slow internet from within the company ■ Recently implemented remote work ■ Actively using cloud services *For more details, please refer to the related links or feel free to contact us.

• Other network tools

"STJ Rental Wi-Fi 100" is a corporate cloud Wi-Fi service that automatically connects to the most suitable network among the three major mobile carriers. It can be used immediately when needed, with the fastest shipping available on the same day after application. Once it arrives, you can start using it right away. Short-term rentals are available from one month, and with our monthly rental options, you can contract for only the necessary period and keep costs down. 【Features】 ■ Always connects, cloud Wi-Fi ■ Automatically connects to the most suitable network among the three major mobile carriers ■ Ideal for spot use, ready to use when needed ■ Rental available from one month ■ Simple and straightforward plan *For more details, please download the PDF or feel free to contact us.

• Routers, Switches, and Hubs

Points will be awarded based on the monthly usage fees and communication charges of the KDDI fixed communication services for au mobile phones. Corporate contract customers tend to accumulate points easily due to having multiple contracts, but they are often unaware of how many points they have. Upon checking, they usually find that they have accumulated a significant amount. Since corporate contract customers have fewer opportunities to use their points, it is not uncommon for points to expire. *For more details on the column, please refer to the related links. For further inquiries, feel free to contact us.

• Mobile phones, PHS, data communication cards

Frequent iOS updates occur while using an iPhone. It is important to update to the latest software, but many people have questions like, "What exactly is an update?" and "What happens if I skip an update?" Therefore, this time, in addition to the basics of iPhone updates, we will also explain the impact of skipping updates. *For detailed content of the column, you can view it through the related links. Please feel free to contact us for more information.*

• Embedded applications for mobile phones and PDAs

One of the common challenges in the operation of business smartphones is the management, sharing, and backup of contact data. In this article, we will introduce a cloud address book service that allows for easy management, sharing, and backup of contact information for customers and employees registered on smartphones. If you are experiencing challenges in managing and sharing contact information on business smartphones, please consider this as a reference. *For more details on the column, you can view it through the related links. Feel free to contact us for more information.

• Embedded applications for mobile phones and PDAs

Many people are preparing for disasters. Communication disruptions are one type of disaster. In this column, we will introduce methods to prepare for communication disruptions, specifically DSDS (Dual SIM Dual Standby) and secondary line services. When a communication disruption occurs suddenly, important data may become impossible to send or receive, and systems may come to a halt. Are you fully prepared for such situations? To prepare for such scenarios, there is a method called communication redundancy. *For more detailed information, please refer to the related links. Feel free to contact us for more details.*

• Embedded applications for mobile phones and PDAs

Unlike mobile phones, radios (transceivers) that allow for group communication with a single button are invaluable in various situations. Just having a radio enables quick information sharing at any time, and its broadcast capability and immediacy greatly contribute to improving work efficiency. There are various types of radios, but one that has recently gained attention is the IP radio app that utilizes mobile phone network communication areas. In this article, we will introduce the types and features of standard radios, compare standard radios with IP radio apps, highlight the unique features of IP radio apps, provide case studies, and finally present the IP radio apps we offer. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.*

• Embedded applications for mobile phones and PDAs

MDM (Mobile Device Management) is effective for managing and monitoring corporate smartphones and mobile phones. This time, we will introduce "Restrictions," which is suitable for managing iOS devices, as one of the main features of MDM. "Restrictions" help unify the operational policies of corporate smartphones, enhance security, and prevent personal use. In this article, we will explain why to use restrictions with MDM and how users can comfortably utilize them. Please be sure to read until the end. *For detailed content of the column, you can view it from the related links. For more information, please feel free to contact us.

• Embedded applications for mobile phones and PDAs

"LINE WORKS" is a business chat tool that can be used with peace of mind for work. It allows communication not only among company members but also with clients and customers, and you can communicate with customers who do not use this service via LINE. With a familiar interface and features, anyone can start chatting right away, and with over 1,000 types of rich stickers, feelings can be conveyed even in business. The read confirmation feature allows you to check which members have read or not read the messages. [Features] - Account management is secure - Communication is possible with stickers and short messages - The read feature lets you see who has viewed the messages *For more details, please refer to the PDF document or feel free to contact us.

• Mobile phones, PHS, data communication cards

"KDDI SMART Address Book" is a business-oriented cloud address book service that can be used from smartphones and PCs. It is specifically designed for business use, offering features for administrators such as permission settings, access restrictions, and bulk import functionality for address books. It can be used on PCs and smartphones, allowing users to switch between devices according to their usage scenarios. 【Features】 ■ Address book sharing ■ Comprehensive features to reduce management burden ■ Available on multiple devices *For more details, please refer to the PDF document or feel free to contact us.

• Mobile phones, PHS, data communication cards

"STJ Fault Support (i) 1 Year" is a corporate mobile phone and smartphone insurance that fully covers repair costs for smartphone accidents such as water damage, breakage, and malfunction. *Devices purchased from Santelecom Japan are eligible for coverage. Repair costs for iOS devices (iPhone, iPad) due to malfunction, breakage, or water damage are covered up to twice a year. With a contract for Santelecom Japan's BPO services, you can rest assured during the repair process. The repaired items will be ready for use immediately upon delivery. 【Features】 ■ Repaired items are returned with kitting ■ Custom repair flow can be established for your company ■ Management is possible even if the contracted communication providers are different ■ Coverage for water damage, breakage, and malfunction *For more details, please refer to the PDF document or feel free to contact us.

• Mobile phones, PHS, data communication cards

Santelecom Japan, as a top-class agency in KDDI's Kanto corporate sales division, has dedicated representatives who will provide clear and courteous assistance to first-time customers. A corporate contract refers to applying for a contract under the name of a corporation, such as a joint-stock company or a limited company. Our company offers "special corporate pricing" for all scenarios including "new contracts," "device changes," and "switching from other companies." 【Benefits】 ■ Reduction in communication costs such as calls and internet ■ Increased business efficiency with suitable options and plans ■ Centralized management of employee mobile data ■ Improved employee satisfaction *For more details, please refer to the PDF materials or feel free to contact us.

• Mobile phones, PHS, data communication cards

To the members of the School Festival Executive Committee, we would like to introduce a case study involving the "radio equipment" that our company handles. Typically, we communicate via phone or LINE, but it often takes time for information to reach everyone, and there have been many instances where we couldn't contact someone when urgent matters arose. Therefore, we proposed the user-friendly high-end model "MiT3000." With radio equipment, it is possible to send a broadcast to all radios on the same channel. [Case Overview (Partial)] ■ Industry: Students (School Festival Executive Committee) ■ Manufacturer: Motorola Solutions, Inc. ■ Model Introduced: Portable Digital Simple Business Radio "MiT3000" ■ Number of Units Introduced: 55 units *For more details, please refer to the PDF document or feel free to contact us.

• Other network tools

To our customers in the electrical equipment sector, we would like to introduce a case study involving the implementation of the "radio equipment" we handle. Previously, they were using analog radios, but one unit was damaged and, due to the impossibility of repairing the equipment, they wanted to introduce new radio equipment. In response, we proposed the reliable, high-quality digital radio "MiT5000" for harsh environments. As a result of the implementation, the two-microphone noise-canceling feature provided clear voice communication with minimal noise, leading to increased efficiency during operations. [Case Overview (Partial)] ■ Industry: Electrical Equipment ■ Manufacturer: Motorola Solutions, Inc. ■ Model Introduced: Portable Digital Simple Business Radio "MiT5000" ■ Number of Units Introduced: 10 units *For more details, please refer to the PDF document or feel free to contact us.

• Other network tools

IP radios have increasingly been used in various situations. The demand for rentals is also growing year by year. In this context, a new model "SRNX1" has been introduced by Yaesu Radios for IP radio rentals. In this article, we will review the basic knowledge of IP radios, highlight the features of the SRNX1, and recommend ways to use it. *For detailed content of the column, you can view it through the related links. For more information, please refer to the PDF materials or feel free to contact us.

• Rental/lease