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 simple and general business-use wireless device "Kenwood TCP-133W" is equipped with waterproof, dustproof, ruggedness, and functionality, making it a reliable partner in challenging situations. It is a wireless device that achieves JIS protection grade 5 (splash-proof) which does not have harmful effects even when exposed to water jets from all directions, and protection grade 7 (immersion-proof) which does not have harmful effects even when submerged in water. It can be used safely in outdoor activities regardless of the weather and in work sites where water may splash. Furthermore, each unit undergoes waterproof testing to ensure reliable products are delivered. Additionally, with JIS protection grade 5 (dust-proof), it not only provides waterproofing but also excellent dust resistance against dirt and dust, preventing the intrusion of foreign substances that could damage the wireless device's proper operation and safety. For more details, please download the catalog. ● This product has been discontinued. For successor products, we will propose the optimal wireless devices, transceivers, and intercoms according to your usage environment. Please feel free to consult with us.

The digital simple business radio (licensed station) "Icom IC-DU65C" has developed a new dedicated custom LSI. By using SoC (System on a Chip), the number of components and internal structure have been reviewed, resulting in a slim and lightweight body with a thickness of 29.5mm and a weight of 245g (when equipped with lithium-ion battery BP-274). With an energy-saving design that reduces the maximum current consumption during standby by approximately 37.5% compared to previous models, it achieves about 20 hours of operation on a single charge. For more details, please download the catalog. ● This product has been discontinued. Regarding successor products, we will propose the most suitable radios, transceivers, and intercoms according to your needs. Please feel free to consult us.

The simple and general business-use radio "Icom IC-VH37CTM" fully supports business communication with waterproof performance and a robust body that can be used in any location. It features a new emergency function with an emergency key (emergency call button) on the top, allowing for quick communication in case of an emergency. Additionally, it combines excellent waterproof and dustproof performance with high sound quality, achieving superior audio through the adoption of a new speaker while enhancing waterproof and dustproof capabilities. Furthermore, by improving the surrounding area of the built-in microphone, the input sound quality is also enhanced. The robust body is realized through a monocoque structure using polycarbonate resin for the outer material and an aluminum die-cast chassis for the interior. For more details, please download the catalog. ● This product has been discontinued. For successor products, we will propose the most suitable radios, transceivers, and intercoms according to your needs. Please feel free to consult with us.

The simple and general-purpose business radio "Icom IC-VH37MFT" features a robust body with IP57 rating that delivers stable performance in various environments. It is equipped with a clear kanji display function and adopts a full-dot LCD, supporting kanji display (up to 4 characters), which allows for smooth operation thanks to its easy-to-read kanji display. Additionally, it includes an emergency key (emergency call button) on the top surface, enabling quick communication in case of an emergency. Furthermore, by using sealing materials in various parts of the body, it achieves excellent waterproof performance guaranteed by JIS protection grade 7 and dustproof performance equivalent to JIS protection grade 5, providing top-level performance. For more details, please contact us. ● This product has been discontinued. Regarding successor products, we will propose the most suitable radios, transceivers, and intercoms according to your needs. Please feel free to consult with us.

The ICOM IC-D6005 is a digital simple portable radio that, despite its high output of 5W, complies with a registration system that does not require a license. It is ideal for communication over a wide range that cannot be covered by specific low-power transceivers, as well as for rental services for election activities and events. Additionally, it is possible to communicate with other digital simple radios that display the type code "3R." 【Features】 ○ Clear audio unique to digital technology ○ Short message function allows for text transmission ○ Advanced encryption capabilities reduce the risk of eavesdropping ○ Large LCD capable of displaying kanji ○ Advanced group calling function For more details, please contact us or download the catalog.

The IC-D6005N is a vehicle-mounted digital simple radio that supports IP network connections. By connecting via an IP network, it expands the communication area and allows remote control of a unit located far away from your device. Using a command microphone equipped with a large, easy-to-read LCD, most operations can be controlled from your hand. Additionally, it has a built-in GPS unit, enabling the acquisition of GPS data. The top of the command microphone features an emergency key (emergency call button), allowing for quick contact with the call destination. 【Features】 ○ Expansion of communication range through IP line connection ○ Remote control capability ○ Emergency call function included ○ Intuitive operation support ○ IP54 dustproof and waterproof For more details, please contact us or download the catalog.

The "VXD450V" is a portable radio with a dustproof and waterproof design that can be safely used in outdoor operations during rainy weather or in dusty environments. It maintains IPX7 waterproofing even when the antenna and battery are removed. Additionally, it features digital noise canceling technology that eliminates surrounding noise even in high-noise environments. 【Features】 ■ Rugged body / Dustproof and waterproof IP67 ■ Digital noise canceling function ■ Simple operation ■ Recording function to save important messages *For more details, please refer to the PDF document or feel free to contact us.

The "IC-DV60S1" is a general-purpose radio for VHF band digital and analog use. It can be integrated into an analog system or used to build a new, high-functionality digital communication system. It supports three types of selective calling (all-call/group call/individual call) to facilitate efficient information transmission. 【Features】 ■ Digital/Analog hybrid device ■ User code communication ■ Emergency call function ■ Selective calling ■ Various data transmission functions ■ Mandown function/LONE WORKER function *For more details, please refer to the PDF document or feel free to contact us.

The simple and general-purpose radio "Motorola GP3188/GP3688" is equipped with a unique signal control circuit, enabling stable and high-quality audio output, achieving comfortable communication with "Crystal Clear" clarity. Additionally, using accessories such as headphones further enhances communication comfort. The battery life has significantly increased, with the addition of a large-capacity lithium-ion battery, allowing for long usage times of 24 hours on low power and 16 hours on high power. It features a tough body that excels in durability, having cleared the harsh conditions set by MIL (U.S. military standards), boasting high reliability to ensure communication functionality in various environments. For more details, please download the catalog. ● This product has been discontinued. Regarding successor products, we will propose the optimal radio, transceiver, or intercom based on your usage environment. Please feel free to consult with us.

The simple and general business-use radio "Motorola GP328/GP338" features a tough body that excels in durability, having cleared the harsh conditions set by MIL (U.S. military standards), and boasts advanced reliability that ensures communication functions effectively in various environments. It is equipped with a one-touch siren button, which, when pressed during an emergency, activates a loud emergency alarm from the speaker at maximum volume. Additionally, the receiver (GP338/328) allows for the setting of eight different ringtones according to the calling party. Santec Telecom Japan Co., Ltd. primarily engages in the sale of radios, rental of radios, and corporate sales and operation of mobile phones. Radios serve various purposes, including general radios (SR radios), simple radios (CR radios), wide-area MCA radios, and specific low-power radios (transceivers). We also provide consulting on the operation methods and attendance during disaster drills when introducing radios as a means of communication (BCP) during emergencies. Our company aims to actively promote composite proposals (solution proposals) tailored to our customers' needs. ● This product has been discontinued. Regarding successor products We will propose the most suitable model according to your needs.

The digital simple business portable radio (compatible with registered stations) "Motorola GDR3500" is equipped with features and performance unique to digital technology. Compared to conventional analog models, it offers clearer sound quality with less noise, enabling secure communication with 511 types of UC modes and 32,767 types of secret codes. It features a large PTT button and front buttons that are easy to press even with gloved hands, an emergency button to signal distress, and an LED lamp that can be checked while worn on the arm, ensuring user-friendly operability. It complies with the European RoHS directive. For more details, please download the catalog. ● This product has been discontinued. Regarding successor products We will propose the most suitable radios, transceivers, and intercoms according to your needs. Please feel free to consult us. Contact us here https://rentec.stjg.jp/inquiryform/

The digital/analog simple business radio "Motorola GDB4500" is a portable radio that features reliable performance and high expandability, enabling an advanced communication system compatible with simple radio (licensed station: 3B). It pursues ease of use in detail, with the adoption of a multifunctional, kanji-compatible display and various button layouts, while features such as short messaging, recording function, and noise-canceling function enhance the efficiency of business communications. Additionally, in the future, it will support GPS location data acquisition through a remote speaker microphone (sold separately), further responding to the needs for added value and diversification. For more details, please download the catalog or contact us. ● This product has been discontinued. Regarding successor products, we will propose the most suitable radios, transceivers, and intercoms according to your needs. Please feel free to consult with us.

The portable radio GDB4800 supports smooth business operations with top-class durability and comprehensive features. As a digital/analog 2-way mode simple business radio, it allows customers currently using analog radios to transition smoothly to digital. 【Features】 ○ Digital/analog 2-way mode ○ Outstanding dust and water resistance (equivalent to IP67) for harsh environments → The radio body is equivalent to IP67 even without the antenna and battery attached ○ Two types of recording functions to capture information even when note-taking is not possible ○ Clear audio with noise-canceling functionality For more details, please contact us or download the catalog. ● This product has been discontinued. Regarding successor products, we will propose the most suitable radios, transceivers, and intercoms according to your needs. Please feel free to consult us.

The simple and general business-use radio "Motorola GM3188/3688" is highly durable, strong against harsh vibrations and dust, and maintains stable performance due to its ample output. It is easy to operate and can be used in various scenarios, including transportation, manufacturing, construction, and service industries. It features a robust body that excels in durability, having cleared the severe conditions set by MIL (U.S. military standards), boasting high reliability that ensures functionality in various environments. ● Due to the digitalization of simple radios mandated by the Ministry of Internal Affairs and Communications in November 2024, all analog simple radios will no longer be operational, necessitating a switch to digital-compatible simple radios. Ministry of Internal Affairs and Communications Radio Utilization Homepage: https://www.tele.soumu.go.jp/j/ref/relate/dcr/ We, the STJ Group (STJ Rentech, Sun Telecom Japan), handle a wide range of communication equipment in Japan. We will propose the most suitable radios, transceivers, and intercoms tailored to your needs. Please feel free to consult with us.

The simple and general business-use radio "Motorola GL2500R" is robust against dust, sand, water, and impact, complying with the IP (International Protection) standards and possessing excellent dust and water resistance. We offer a 2-year warranty that reflects Motorola's tradition of durability, along with a 2-year waterproof guarantee. This product can be considered a top-tier radio that pursues sound quality, range, and operability. Santec Telecom Japan Co., Ltd. primarily engages in the sale and rental of radios, as well as corporate sales and store operations for mobile phones. We also provide consulting for disaster preparedness training and operational methods when introducing radios as a communication means during emergencies (BCP). Our company aims to actively promote comprehensive proposals (solution proposals) tailored to our customers' needs. For more details, please download the catalog. ● This product has been discontinued. Regarding successor products, we will propose the most suitable radios, transceivers, and intercoms based on your usage environment. Please feel free to consult with us.

In analog business radios, there was a problem where the other person's voice could not be heard clearly due to noise, and it became difficult to hear when the distance increased. The TCM-D144/D244/D344 series adopts a highly rated 4-value FSK digital method. Compared to conventional analog radios, it allows for clear voice communication with less noise even over long distances. Furthermore, due to dual-mode compatibility (with some exceptions), it can flexibly accommodate a gradual transition to digital according to budget. By integrating with GPS location management systems, it supports the efficiency of various operations such as transportation, delivery, and logistics. 【Features】 ○ Digital calls without white noise ○ Clear and easily understandable digital calls even from distant parties ○ High sound quality with minimal delay achieved through DSP adoption ○ Adjustable sound quality according to the usage environment ○ Secret communication function to prevent third parties from overhearing calls For more details, please contact us or download the catalog.

The "Vertex VX-582," a simple and general-purpose business radio, is characterized by a design that emphasizes the "essentials" required for professional radios. It thoroughly upgrades the key points expected from a business radio, ensuring ease of communication, durability, and long usage time, making it a radio that meets the needs of professionals. Despite its compact size, it features a high-quality, loudspeaker that delivers powerful and dynamic sound reproduction. Radios with high waterproof performance have often been said to produce muffled sound, but this model reproduces clear audio even in noisy environments. For more details, please download the catalog. ● This product has been discontinued. For successor products, we will propose the most suitable radios, transceivers, and intercoms based on your usage environment. Please feel free to consult with us.

The simple and general business-use radio "Motorola GL2000" features a power switching function that allows you to adjust the output according to the usage environment. Communication in nearby areas can be done at low power, while communication over longer distances can be done at high power, which helps save battery consumption when used wisely. Additionally, the form design of the Motorola GL2000 fits perfectly in the hands of working individuals. Furthermore, the rotary switch is designed with busy operations in mind, enhancing the usability of this radio. For more details, please download the catalog. ● Due to the digitalization of simple radios guided by the Ministry of Internal Affairs and Communications in November 2024, all analog simple radios will no longer be operational, necessitating a switch to digital-compatible simple radios. Ministry of Internal Affairs and Communications Radio Utilization Homepage: https://www.tele.soumu.go.jp/j/ref/relate/dcr/ We, the STJ Group (STJ Rentech, Santelecom Japan), handle a wide range of communication equipment in Japan. We will propose the optimal transceiver to meet your needs. Please feel free to consult with us.

The portable digital simple business radio registration station (for aerial use) "STANDARD VX-D291s" is equipped with 5 digital channels for aerial use. Since it operates on a dedicated frequency for aerial use, the possibility of interference with other simple radios has been reduced. It supports the digital communication mode "User Code Communication" in accordance with the standard specifications set by ARIB (Association of Radio Industries and Businesses). There are 511 different codes that can be set for each channel. You can categorize them according to usage patterns and purposes, allowing for communication between groups. This will be an essential feature for leaders managing multiple teams. For more details, please download the catalog. ● This product has been discontinued. Regarding successor products, we will propose the most suitable radios, transceivers, and intercoms according to your needs. Please feel free to consult with us.

The "Standard VXD-10" digital simple business radio (registered station/package) is a high-output digital transceiver that covers a wide area, making it ideal for outdoor leisure activities. It features excellent waterproof performance and is a very convenient communication tool that allows you to call all your companions at once and can be used even in areas where mobile phones have no signal. It is effective not only for leisure but also as a means of communication for community activities. No personal qualifications or licenses are required; it can be used simply by completing the registration process. For more details, please download the catalog. ● This product has been discontinued. Regarding successor products, we will propose the most suitable radios, transceivers, and intercoms according to your needs. Please feel free to consult us. For inquiries, click here https://rentec.stjg.jp/inquiryform/

The IC-DU65C is a portable digital simple radio (licensed station) that offers high sound quality and the ability to send and receive text data. It features a total of 100 channels, including 65 digital channels and 35 analog channels. The abundant channels help reduce the possibility of interference. Additionally, the names and messages from the other station can be displayed in kanji on a large LCD, providing easy-to-read information for comfortable operation. Furthermore, not only the display section but also most of the keys are equipped with backlighting, making it easy to operate the keys even in the dark or at night. 【Features】 ○ Advanced encryption function and clear audio ○ Supports both digital and analog modes ○ Short message function with high visibility kanji display ○ Backlight that shines in dark places ○ Compatible with user code communication For more details, please contact us or download the catalog. ● This product has been discontinued. For successor products, we will propose the most suitable radio, transceiver, or intercom according to your needs. Please feel free to consult us.

The digital simple business radio (licensed station) "TCP-D201" features a compact and slim design with dimensions of 56mm in width, 103.8mm in height, and 32.2mm in depth (when equipped with the KNB-62L rechargeable battery, excluding protrusions). It has a lightweight body weighing approximately 277g (with the KNB-62L battery and included antenna). It fits securely in your hand and is a reliable partner in various work environments. The adoption of a unique "double-structure panel" has improved the strength of the main unit, achieving a "2-year warranty." For more details, please download the catalog. ● This product has been discontinued. Regarding successor products, we will propose the most suitable radios, transceivers, and intercoms tailored to your needs. Please feel free to consult with us.

The digital simple business radio (licensed station) "IC-DU5505C" is a digital simple radio that supports both digital mode (with 65 channels) and analog mode (with 35 channels). It is a dual-mode device that allows for easy switching between digital and analog, making it possible to integrate into existing communication systems built with traditional analog devices. It ensures a smooth transition to a new environment as analog devices (UHF band) will no longer be usable by 2022. For more details, please download the catalog. ● This product has been discontinued. Regarding successor products, we will propose the most suitable radio, transceiver, or intercom based on your usage environment. Please feel free to consult us. For inquiries, click here https://rentec.stjg.jp/inquiryform/

The digital simple business radio (registered station/package) "Icom IC-DPR1" is a communication tool that enhances outdoor activities. It can be easily used with just a registration application and achieves high operability as a vehicle-mounted digital transceiver. It comes standard with a microphone, allowing all operations to be performed with the included microphone. Additionally, it is equipped with speaker functionality, enabling you to hear the received sound at hand, which allows for highly intelligible communication. For more details, please download the catalog. ● This product has been discontinued. Regarding successor products, we can recommend the most suitable radios, transceivers, and intercoms based on your usage environment. Please feel free to consult with us.

The digital simple business radio (registered station/package) "Icom IC-DPR5" is a portable digital high-power transceiver. It is a high-output digital simple radio that can be used with a simple registration process, serving as a communication tool that covers a wide area where traditional unlicensed transceivers cannot be used, such as in outdoor leisure activities and community events. Additionally, it comes with the necessary application documents and peripheral devices, so you can start using it as soon as you complete the registration process. For more details, please download the catalog. ● This product has been discontinued. For successor products, we can recommend the most suitable radios, transceivers, and intercoms based on your needs. Please feel free to consult with us.

The digital compact portable radio 'TPZ-D553' requires no qualifications and allows for easy and powerful communication with just a simple registration. It is easy to hold, easy to see, and easy to talk with, offering performance that makes a difference in daily operations within a minimal body. It enables smooth communication for various tasks and enjoyable leisure activities. 【Features】 ○ Thin, lightweight, with a body size of approximately 132cc for improved portability and usability ○ Robust and reliable design for harsh environments, with waterproof and splash-proof features ○ Equipped with an independent rotating nut that minimizes cable tangling ○ Second PTT function allows for operation as if you have two devices in one ○ Four key operations that anyone can easily use, with large text displayed on an easy-to-read LCD screen For more details, please contact us or download the catalog. ● This product has been discontinued, and we recommend the successor product "TPZ-D563/BT."

The digital compact portable radio 'TCP-D551' is a digital transceiver that complies with the registration system. Its performance, which makes a difference in daily operations, has been made lightweight and compact. It meets 11 items of the U.S. Department of Defense military standard MIL-STD. Additionally, it has dustproof and waterproof performance equivalent to IP67, protecting the radio from dust and submersion. With simple operation using four keys, various function settings are possible. The LCD screen supports kanji and displays the channel number in large font of four characters. 【Features】 ○ Lightweight (approximately 220g), thin (thinnest part 24.6mm), small (132cc), and easy to use ○ Robust design that is reliable even in harsh environments, with waterproof and splash-proof features ○ Uses an independent rotating nut that is resistant to cable twisting ○ By adopting DSP, sound quality is high and latency is minimized ○ Second PTT function allows for operation as if you have two units in one For more details, please contact us or download the catalog. ◆ This product has been discontinued. 　Regarding successor products, we will propose the most suitable radio, transceiver, or intercom according to your needs. 　Please feel free to consult with us.

The UHF digital simple business radio (for registered stations) "Kenwood TCP-D503" features a unique microphone mounting structure (patent pending) that minimizes unpleasant noises such as rubbing sounds and wind noise, and incorporates the industry-renowned AMBE+2TM vocoder from Digital Voice Systems, achieving clear calls with low noise while optimizing internal processing to keep the voice delay typical of digital radios to a minimum. Additionally, fine sound quality adjustments can be made to suit the user's preferences and environment. For more details, please download the catalog. ● This product has been discontinued. For successor products, we will propose the most suitable radios, transceivers, and intercoms according to your needs. Please feel free to consult with us.