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

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.

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.

The "IP700 Series" is a hybrid IP transceiver that combines the functionality of a mobile phone call area, allowing communication anywhere within the mobile phone coverage area, with a business-use radio in one device. In business-use radio mode, direct communication between radios is possible, allowing calls to be made as long as there is signal coverage (approximately a few kilometers in clear line-of-sight conditions) without relying on other infrastructure. We offer three products in our lineup according to frequency bands: "IP700," "IP700SV," and "IP700SU." 【Features】 ■ Supports dual SIM ■ IP700 is compatible with 3R and 3B ■ Equipped with a secondary PTT switch ■ Includes a convenient side key ■ Bluetooth® functionality included ■ GPS functionality included (only in LTE mode) *For more details, please refer to the PDF document or feel free to contact us.

The "IP501M" is an IP transceiver that communicates using mobile phone lines, with a call area covering all of Japan. It enables timely information transmission without worrying about communication distance or dead zones, unlike conventional transceivers. You can choose communication lines from au and NTT Docomo, and by equipping both SIM cards, you can switch carriers according to the situation. (By selecting the SIM card provided by our company, you can use either line.) 【Features】 ■ Supports simultaneous and multiple calls ■ Various call formats available ■ Compatible with Bluetooth(R) ■ Can be linked with other types of transceivers and IP phones *For more details, please refer to the PDF document or feel free to contact us.

The "TLK100" is a broadband radio that can be used widely with a fast and reliable network. Its simple button operation and long battery life enhance work efficiency, and the absence of a display allows for better focus on tasks. Additionally, it is possible to use the WAVE broadband radio in conjunction with a smartphone. There is no need for the time-consuming and costly application and acquisition of a radio license, nor is special programming required. 【Features】 ■ Simple operability and management ■ Real-time management of groups and contract plans ■ Suitable for business ■ Various accessories available to match the work environment ■ Push-to-talk system connecting nationwide *For more details, please refer to the PDF document or feel free to contact us.

The "TLK110" is a product that combines the flexibility of PTT communication via broadband with the reliability of a robust specialized radio. Since PTT communication is conducted over a reliable wide-area network, it allows for the instant delivery of important information without concern for the area. Additionally, it is equipped with excellent features for radio management, enabling more efficient operations and making business safer, smarter, and more reliable. 【Features】 ■ PTT communication over high-speed LTE ■ Compatible with Wi-Fi networks ■ Communication possible anywhere in Japan via LTE or Wi-Fi ■ AI noise suppression feature ■ Intelligent VOX PTT *For more details, please refer to the PDF document or feel free to contact us.

"EVOLVE" is a robust, portable LTE device developed for businesses. In addition to being IP68 rated for dust and water resistance, it features a waterproof and liquid-resistant touchscreen that can be operated while wearing gloves. Designed to withstand harsh working conditions and to be used continuously in multi-shift operations, it enables safe execution of tasks in various business scenarios. 【Features】 ■ Exceptional durability ■ Seamless connectivity ■ Mission-critical ■ Open architecture ■ Intuitive operability *For more details, please refer to the PDF document or feel free to contact us.

The "IP210H" is an IP radio equipped with features equivalent to those of a fixed telephone. It allows for external and internal calls both indoors and outdoors, and enables quick information sharing with multiple people through its group broadcasting function. The rugged body compliant with MIL standards features interfaces typical of radios, such as an antenna and volume knob, making it user-friendly for those familiar with using radios. 【Features】 ■ A 2-in-1 device with both telephone and transceiver functions ■ A mobile IP phone system that connects via wireless LAN/LTE, allowing calls from any location ■ Reliable dustproof and waterproof performance ■ Compatible with ICOM IP radios ■ Can be linked with intercom systems *For more details, please refer to the PDF document or feel free to contact us.

The "IP200H" is a portable internal telephone that also features a transceiver function for IP telephony. It combines the mobility of a mobile phone, the convenience of an internal phone, and the functionality of a transceiver into one device. No license is required for the transceiver function, allowing you to easily carry the internal phone with you. 【Features】 ■ Compatible with both LTE and wireless LAN ■ IP phone and transceiver functions available in this single device ■ Enables calls and data communication anywhere, indoors or outdoors ■ Dustproof and waterproof design (IP57) ensures safety in rainy, wet, or dusty environments ■ Bluetooth functionality for smarter and more convenient use *For more details, please refer to the PDF document or feel free to contact us.

The "IP300APP" is a smartphone application that allows for mutual communication with Icom's Withcall Biz transceiver. By installing this application on your smartphone, you can achieve functionality that is almost equivalent to Withcall Biz. Additionally, by using devices suited to your role, you can utilize the transceiver more conveniently. 【Features】 ■ Install on your smartphone to communicate with Withcall Biz ■ Comfortable integration with devices suited to your role ■ Equipped with functionality almost equivalent to Withcall Biz ■ PTT operation compatible earphone microphone (sold separately) available *For more details, please refer to the PDF materials or feel free to contact us.

The "WAVE APP" is an IP radio application that can be used on smartphones. Not only can it handle voice communication, but it can also send text, images, and video files, allowing for more accurate and smooth information transmission. You can also set your status to standby, working, offline, etc. Please feel free to contact us when you need assistance. 【Features】 ■ Lightweight and easy to use on smartphones ■ Centralized management of devices ■ Chargeable anywhere ■ Expands communication areas for smooth contact *For more details, please refer to the PDF materials or feel free to contact us.

The "IP502H" is a dual SIM model IP transceiver. By using NTT Docomo's 3G/LTE network or au's 4G LTE network, you can make calls throughout Japan (within the radio coverage area of each mobile network). Unlike traditional transceivers, you don't have to worry about distance limitations or dead zones, enabling timely information transmission. Additionally, it supports dual SIM, allowing you to switch carriers through the device's operation. With carrier redundancy, it provides advanced reliability, making it even safer to use in industries such as transportation, infrastructure, and security. 【Features】 ■ Supports simultaneous and multiple calls ■ Compact size ■ Dustproof and waterproof IP67 ■ Suitable for in-vehicle use ■ Various functional expansions *For more details, please refer to the PDF document or feel free to contact us.

The IP500H/IP501H is an IP transceiver that leverages the simultaneous communication and immediacy of transceivers while achieving the wide calling range of mobile phones. It possesses intelligence similar to traditional transceivers, allowing users to select appropriate groups for calls based on the situation. It can be easily used by anyone since no operating license is required. 【Features】 ■ Supports simultaneous and multiple calls ■ Compact size, one of the smallest in the industry ■ Dustproof and waterproof IP67 ■ Suitable for vehicle operation ■ Various expansion features 【Applications】 ■ Transportation industry ■ Communication for construction work ■ Security ■ Customer service ■ Communication for events And many other uses * The IP500H uses the au 4G LTE network, while the IP501H uses the NTT Docomo 3G/LTE network. For more details, please download the PDF or feel free to contact us. ● This product has been discontinued, so we recommend the successor product "IP510H."

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.