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） List of Products and Services

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

The "SRNX1" is an IP radio that uses wide-area LTE networks. It not only retains the broadcasting capability and immediacy of traditional radios but also features high waterproof and dustproof performance, as well as a battery that withstands long hours of use. It pursues high visibility screens and simple operation methods to support professional tasks. 【Features】 ■ Uses LTE networks to cover all of Japan ■ Sturdy body with loud volume ■ Easy to check at a glance and one-touch operation *For more details, please refer to the PDF document or feel free to contact us.

• Rental/lease

The "IC-DU75 PLUS" is a radio equipped with a recording function that allows you to recheck call content and is compatible with signal amplification. It also features a sub-channel PTT function that enables sending and receiving across up to three channels without the need to switch channels. This device can efficiently cover multiple instruction and communication systems with a single radio, and it allows for simultaneous monitoring of three channels. 【Features】 ■ Sub-channel PTT function covering up to three channels ■ Automatic channel switching for relay station areas ■ Bluetooth receiver compatible with data and voice communication ■ High operability ■ Various functions to prevent missing important communications *For more details, please refer to the PDF document or feel free to contact us.

• Other network tools

The SR510 is a compact, rugged, and clear communication-capable radio that supports amplification. It features a dual-microphone noise cancellation system that ensures clear communication even in loud environments. With a robust design, it offers high reliability and is rated IP68 for top-class dust and water resistance. 【Features】 - Equipped with 82 channels of digital simple radio (registered station) - Professional-grade basic performance despite its small size - Easy operation that anyone can use - Lightweight and compact with over 13 hours of battery life - Supports business communication with a variety of functions *For more details, please refer to the PDF document or feel free to contact us.

• Other network tools

The SR741 is a wave-boosting radio equipped with professional-grade basic performance and reliability, along with a variety of features to support on-site operations. It boasts top-class dust and water resistance with an IP68 rating, making it safe to use even in rainy conditions or dusty construction sites. Various functions, such as the quick answer feature and vibrator incoming call function, support smooth business communication. 【Features】 - Equipped with 82 channels of digital simple radio (registered station) - Ensures reliable communication even in loud noise or strong winds - High sound quality and volume at 800mW - Lightweight and compact, with over 16 hours of battery life - Top-class dust and water resistance (IP68) *For more details, please refer to the PDF document or feel free to contact us.

• Other network tools

The "SR810UA/SR820U" is a compact, rugged, professional-grade radio that boasts excellent basic performance and reliability, compatible with amplification. It features top-class dust and water resistance (IP68), utilizing the expertise of communication equipment manufacturers, with a robust internal structure meticulously crafted down to each individual component. Additionally, it is equipped with user-friendly original features such as multi-channel standby functionality and CUE (Cue) function for emergency notifications. 【Features】 ■ Lightweight and compact ■ 5W high output, wide communication area ■ Dust and water resistant (IP68) ■ Noise cancellation function ■ 16 hours of operation, long battery life *For more details, please refer to the PDF document or feel free to contact us.

• Other network tools

The "TPZ-D561/TPZ-D561BT" is a slim-designed, wave-enhancing wireless device that features antibacterial and antiviral processing. This transceiver can be used without qualifications and is equipped with the convenience of a "Clear Listening Mode" that allows for clear communication even in noisy environments, as well as the option for a Bluetooth-compatible model. With a robust IP68 dustproof and waterproof design, it can be safely used in any environment. 【Features】 ■ Safe for shared or rental operations ■ Compact design that is easy to hold and convenient to carry ■ "Clear Listening Mode" that makes voices easy to hear even in noisy conditions, including voices through masks ■ Second PTT function that works as two units with just one device *For more details, please refer to the related links or feel free to contact us.

• Other network tools

The "TCP-D261E/D261BTE" is a booster-compatible wireless device that can be used stress-free across multiple channels thanks to its high-speed scanning. By adopting the optional repeater "TCB-D239CR," the communication area is significantly expanded, allowing for calls in traditionally dead zones such as mountainous areas separated by hills or urban areas filled with buildings. No qualifications are required; you can easily start powerful communication with just a license application. 【Features】 ■ Compact design for easy portability ■ Convenient Bluetooth functionality (TCP-D261BTE only) ■ "Clear Listening Mode" for easy voice comprehension even in noisy environments ■ Second PTT function that works as two devices with one unit ■ Zone settings for smooth compatibility with different channels *For more details, please refer to the PDF document or feel free to contact us.

• Other network tools

MDM (Mobile Device Management) is effective for managing and monitoring corporate smartphones and mobile phones. In addition to device management and security enhancement, MDM has convenient features, among which the "app distribution feature" is very helpful for improving the operational efficiency of corporate smartphones and preventing personal use. In this article, we will explain the "app distribution feature" of MDM and also introduce the convenient feature "App Catalog" of our MDM product, 'OptimalBiz.' *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.

• Mobile phones, PHS, data communication cards

This page introduces "Apple Business Manager" (hereinafter referred to as "ABM"), which is essential for managing iOS and iPadOS devices. ABM is a program provided by Apple for businesses that supports the realization of more advanced device management by integrating with the general term "MDM tools," which includes automatic device enrollment and bulk app distribution. There are no costs involved. *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.

• Mobile phones, PHS, data communication cards
• Other security

To efficiently manage and secure mobile devices necessary for business, the MDM solution is recommended. MDM refers to services or software that centrally monitor and manage mobile devices. In this article, we will clearly explain the necessity, functions, and implementation points of MDM. *For detailed content of the column, please refer to the related links. For more information, please check the PDF materials or feel free to contact us.*

• Mobile phones, PHS, data communication cards

MDM "OPTiM Biz" is an MDM developed by Optim Corporation and supports multi-device management. MDM (Mobile Device Management) is a system designed to efficiently manage mobile devices such as smartphones and tablets, enhancing security. Implementing MDM in the operation of smart devices within a company is a crucial point for preventing information leaks. 【Features】 ■ No server setup required ■ Centralized management of devices ■ Multi-device support ■ Device lock in case of loss or theft ■ Automatic checks for security violations ■ Restrictions on non-business applications *For more details, please refer to the PDF document or feel free to contact us.

• Mobile phones, PHS, data communication cards

In recent years, many companies have been introducing corporate smartphones and mobile phones to improve business efficiency and enhance security. However, there are likely many personnel who struggle with the kitting process even after the devices have been introduced. Therefore, this time we will discuss the reasons why kitting for corporate smartphones and mobile phones can be challenging, as well as key points to facilitate a smooth process. *For detailed content of the column, please refer to the related link. For more information, please check the PDF document or feel free to contact us.*

• Mobile phones, PHS, data communication cards

We would like to introduce our "BPO Services." We solve issues related to mobile phones that contain important customer information, such as "I implemented MDM but can't utilize it effectively" and "I don't know what to do when my smartphone breaks." MDM can be managed collectively by our company. Additionally, in case of a malfunction, we can promptly arrange for smartphones and tablets. Remote locking and unlocking of mobile phones is also possible. 【Scope of Services】 ■ Application reception desk ■ Device arrangement ■ Kitting ■ Inquiries and maintenance ■ Device management ■ After-sales support *For more details, please refer to the PDF document or feel free to contact us.

• Mobile phones, PHS, data communication cards

Recently, many companies have been incorporating BPO and outsourcing as important elements in their management strategies. While the term "BPO" is known, it seems that there are still few people who accurately understand its specific content. In this article, we will explain the overview of BPO in detail, discuss its advantages and disadvantages, and also introduce BPO in the management and operation of company smartphones. *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.*

• Mobile phones, PHS, data communication cards

"Marumo" (Comprehensive Mobile Business Support Service) is a unique BPO service from Santec Telecom Japan. It makes managing corporate mobile phones and smartphones much easier. It provides strong support for security enhancements and in case of loss. We offer operational support for BPO services aimed at corporate mobile phones. Dedicated staff will respond quickly, no matter where you are in the country. [Features] ■ Support via a free call number (incoming calls only) and a dedicated email address ■ Bulk management and operation with dedicated software ■ iOS repairs are also supported ■ Nationwide service ■ Dedicated staff provide consistent support ■ Immediate response for lost devices *For more details, please refer to the PDF document or feel free to contact us.

• Mobile phones, PHS, data communication cards

The "TPZ-D563E/TPZ-D563BTE" is a high-power digital transceiver that supports 82 channels and excels in resolving interference issues. Additionally, it is compatible with 15 channels dedicated to aerial reception, bringing the total to 97 channels. The recommended data channels are suggested for use with status updates and short messages. 【Features】 ■ Supports channel amplification ■ Stress-free high-speed scanning ■ Compact design for comfortable portability ■ Convenient Bluetooth functionality ■ "Clear Listening Mode" for easy comprehension even in noisy environments ■ Second PTT function that works as two units with just one device *For more details, please refer to the related links or feel free to contact us.

• Communications

The "IC-D70 PLUS/IC-D70BT PLUS" is a digital simple radio that can be used with just registration. In 2023, it supports the expansion of digital radios (DCR) announced by the Ministry of Internal Affairs and Communications to 97 channels. This allows users to be free from interference due to a lack of channels, enabling more comfortable operation. 【Main Features】 ■ Supports expansion from 35 channels to 97 channels ■ Sub-channel PTT function covering up to 3 channels ■ Automatic channel switching for relay station areas ■ Equipped with Bluetooth receiver and vibration function ■ High operability ■ Various functions to prevent missing important communications *For more details, please refer to the related links or feel free to contact us.

• Communications

The "SR730/SR740" is a compact, rugged, professional-grade communication device that boasts excellent basic performance and reliability for STR business use. It features top-class dust and waterproof performance with an IP68 rating, making it safe to use even in rainy conditions or dusty construction sites. Additionally, even when the battery and antenna are detached, the main unit and battery alone maintain an IPX8 waterproof rating, allowing for worry-free use in environments where battery replacement is necessary during rain without concerns about water intrusion. 【Features】 ■ No qualifications required ■ Lightweight and compact ■ 5W high output with a wide communication area ■ Dust and waterproof (IP68) ■ Noise cancellation function ■ 16 hours of operation with long battery life *For more details, please refer to the related links or feel free to contact us.

• Communications

This article explains the increase in power for digital simple radio stations that was revised in the 2023 fiscal year. The purpose of the power increase is to alleviate areas where radio waves were congested and difficult to use due to location and time. It also discusses precautions when using the increased power simple radio. *For detailed content of the article, you can view it through the related links. For more information, please feel free to contact us.*

• Communications

Our company offers a range of "portable digital transceivers" that comply with the "increased power of digital simple radio stations" announced in 2023. By reducing the risk of interference due to location and time, we can achieve stable communication through the elimination of dead zones and improvement of communication sound quality. We not only propose radios that meet your needs but also provide support for on-site surveys and application assistance for licenses and registrations. Please feel free to contact us. 【Product Lineup】 ＜iCOM "IC-D70 PLUS" "IC-D70BT PLUS"＞ ■ Equipped with a recording function to confirm call content ■ Supports automatic channel switching for relay station areas ＜KENWOOD "TPZ-D563BTE" "TPZ-D563E"＞ ■ Can be used without qualifications with simple registration ■ Features a "clear listening mode" that is resistant to noise ＜Yaesu "SR730" "SR740"＞ ■ Capable of operation for up to approximately 16 hours with a large-capacity battery ■ Equipped with a multi-channel standby function *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Other network tools

We would like to introduce our digital radio, the 'MiT5000'. This product is a licensed transceiver that contributes to the formulation of BCP (Business Continuity Plan) in care facilities and ensures the safety of users. It minimizes the impact of radio communications used in urban areas. It accelerates information sharing during emergencies and promotes appropriate responses. By strengthening collaboration among staff, it contributes to ensuring the safety of users. 【Features】 ■ Usable during power outages ■ Wide-range communication ■ Strengthened collaboration among staff ■ Ensured safety of users ■ Enhanced BCP formulation ■ Easy to operate *For more details, please refer to the related links or feel free to contact us.

• Other network tools

We would like to introduce our IP radio, the 'TLK100'. This product is cordless with Bluetooth earphones, allowing for efficient movement without being hindered by long cords. Charging is done using a USB cable, so a dedicated charger is not required. Additionally, it is lighter and thinner than typical radios, reducing the burden on your waist. 【Features】 ■ Cordless with Bluetooth earphones ■ Clean connection with Bluetooth hand microphone ■ Lighter and thinner than typical radios ■ Usable anywhere within the coverage area *For more details, please refer to the related links or feel free to contact us.

• Other network tools

In recent years, the demand for commercial radios has been increasing in the industrial sector as part of efforts to improve work efficiency and safety measures. Radios equipped with explosion-proof features and approved by licensed authorities are being used safely. This article explains how to utilize the rental of commercial explosion-proof radios. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.

• Other network tools