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

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 at greater distances. Additionally, due to dual-mode compatibility (with some exceptions), it can flexibly accommodate a gradual transition to digital according to budget. By collaborating 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 a distance ○ High sound quality with minimal delay due to the adoption of DSP ○ 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.

• Other network tools

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.

• Other network tools

Conventional analog business radios had issues such as difficulty hearing the other person's voice and poor clarity at greater distances. The TCP-D143/D243/D343 series adopts a highly rated 4-value FSK digital method. In particular, regarding call quality, it allows for clearer voice communication with less noise compared to traditional analog radios. With dual-mode support for digital/analog (excluding TCP-D243 simple radio), it can flexibly accommodate a gradual transition to digital according to budget. 【Features】 ○ Digital calls with no residual noise ○ Clear and easily understandable digital calls even from distant parties ○ High sound quality and minimal delay achieved through DSP adoption ○ Unique microphone mounting structure cuts out noise ○ Sound quality can be adjusted according to the usage environment For more details, please contact us or download the catalog.

• Other network tools

Conventional analog business radios had issues such as difficulty hearing the other person's voice and poor audibility at greater distances. The TCP-D143/D243/D343 series adopts a highly regarded 4-value FSK digital method. In particular, regarding call quality, it allows for clearer voice communication with less noise compared to conventional analog radios. With dual-mode support (excluding TCP-D243 simple radio) for digital and analog, it can flexibly accommodate a gradual transition to digital according to budget. 【Features】 ○ Digital calls with no residual noise ○ Clear and easily audible digital calls even from distant parties ○ High sound quality and minimal delay achieved through DSP adoption ○ Unique microphone mounting structure cuts out noise ○ Sound quality can be adjusted according to the usage environment For more details, please contact us or download the catalog.

• Other network tools

Conventional analog business radios had issues such as difficulty hearing the other person's voice and poor audibility at a distance. The TCP-D143/D243/D343 series adopts the highly rated 4-value FSK digital method. In particular, regarding call quality, it allows for clearer voice communication with less noise compared to traditional analog radios. With dual mode support for digital/analog (excluding TCP-D243 simple radio), it can flexibly accommodate a gradual transition to digital based on budget. 【Features】 ○ Digital calls with no residual noise ○ Clear and easily audible digital calls even from a distance ○ High sound quality and minimized delay due to the adoption of DSP ○ Unique microphone mounting structure to cut out noise ○ Adjustable sound quality according to the usage environment For more details, please contact us or download the catalog.

• Other network tools

Conventional analog business radios had issues such as difficulty hearing the other person's voice and poor audibility at greater distances. The TCP-D143/D243/D343 series adopts a highly rated 4-value FSK digital method. In particular, regarding call quality, it allows for clearer voice communication with less noise compared to traditional analog radios. With dual mode support (excluding TCP-D243 simple radio) for digital and analog, it can flexibly accommodate a gradual transition to digital based on budget. 【Features】 ○ Digital calls with no residual noise ○ Clear and easily audible digital calls even from distant parties ○ High sound quality with minimal delay due to DSP adoption ○ Unique microphone mounting structure to cut out noise ○ Adjustable sound quality according to the usage environment For more details, please contact us or download the catalog.

• Other network tools

The IC-DPR100 is a high-output 5W mobile digital simple radio that can be easily used with just a registration procedure. With its evolved operability and newly added convenient features, the IC-DPR100 strongly supports improved communication not only for leisure activities but also for local events and community crime prevention and disaster response activities. 【Features】 ○ Works even in "no service" areas ○ Choose who to talk to ○ Easy operation ○ No call charges ○ High confidentiality For more details, please contact us or download the catalog.

• Other network tools

The digital simple radio and registered station RALCWI system "DJ-DP50H" adopts unique digital technology to achieve a reasonable price. It features a digital secret conversation code that can be selected from 32,767 options, private channels, prohibition of inter-unit communication, auto power off, display contrast and lighting settings, a reporting button, key lock, incoming call bell, various beep sounds, and microphone gain adjustments, all standard functions of business radios. 【Features】 ○ 100 to 500 times the power of specific low-power radios → With the power of digital simple radios, long-distance communication is possible ○ Just a simple registration application that you can do yourself → No qualifications required, no restrictions on use, so it can be used for any communication ○ Sturdy body made of polycarbonate and die-cast ○ Durable body that protects the radio from rain and dust ○ Uses a screw-mounted waterproof microphone port For more details, please contact us or download the catalog.

• Other network tools

The "DJ-M System" is a multi-simultaneous communication and work contact system that allows free communication among up to 8 child units by wired connection to 2 parent units. No licenses, qualifications, or applications are required. The running cost is minimal, only covering the expense of batteries. There are no restrictions on usage, and it can be used immediately after installation. The applications are limitless, including construction, work, factories, various service industries, and event operations. 【Features】 ○ Can be used by up to 8 people with pair connection ○ Basic setup is simple; just select the channel and individual identification number for both parent and child units → A user-friendly system that thoroughly simplifies complicated settings ○ Adding a monitor user allows for even more participants to communicate ○ Comes standard with a newly designed free belt clip For more details, please contact us or download the catalog.

• Other network tools

The "DJ-DP10" is a 1W output digital simple radio and registered station for UHF 351MHz band digital registered stations, equipped with 30 channels. Developed in response to feedback such as "the communication distance of specific low-power radios is unsatisfactory, 5W radios are overpriced and over-specified in functionality, and I dislike bulky and heavy bodies," the DJ-DP10 can be used simply by registering a radio station with a straightforward application, without the need for a license. 【Features】 ○ Achieves a reasonable retail price by adopting unique digital technology (RALCWI method) ○ Weighs less than 5W models because it is dedicated to 1W, making it less tiring to carry ○ Provides strong security for important communications with a digital secret code selectable from 32,767 options ○ Dustproof and waterproof equivalent to IP67, so no worries in rain or wind ○ Freely call a specified person or make a group call to everyone at once For more details, please contact us or download the catalog.

• Other network tools

The IC-DU6505B is a vehicle-mounted 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 abundance of channels reduces 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, the display section and most keys are equipped with backlighting, making it easy to operate the keys even in the dark or low-light conditions. 【Features】 ○ Advanced encryption function and clear audio ○ Supports both digital and analog modes ○ Short message function with high visibility kanji display ○ Backlight that excels in dark environments ○ Compatible with user code communication For more details, please contact us or download the catalog.

• PBX/IP phone

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.

• PBX/IP phone

The IC-DU6505BN is a vehicle-mounted digital simple radio that supports IP network connections. By connecting via an IP network, it can expand the communication area and allow remote control of a unit located far away from a single unit at hand. Using a command microphone equipped with a large, easy-to-read LCD, most operations can be controlled from your location. 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】 - Achieves expanded communication range through IP line connection - Remote control capability - Equipped with emergency call function - Supports intuitive operation - IP54 dustproof and waterproof For more details, please contact us or download the catalog.

• PBX/IP phone

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.

• PBX/IP phone

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.

• PBX/IP phone

The KENWOOD model 'TPZ-D503' is a digital transceiver that can communicate information simultaneously over a wide area thanks to its high output of 5W. In clear suburban areas, it can communicate up to 4 km away. With clear audio, it performs well even in factories where machine noise is prevalent. It is perfect for notifying about anomalies, such as errors on the production line. 【Features】 ■ No qualifications required! Can be used with just a simple registration application! Compatible with registered stations ■ Dustproof and waterproof performance suitable for harsh environments ■ Equipped with advanced encryption features with 32,767 combinations ■ High-quality design for comfortable conversations ■ Simple operation—just press the transmit button! *For more details, please download the catalog or contact us.

• Other network tools

The FTH508 is a lightweight, all-weather transceiver that can be used for long periods. It features industry-leading dust and waterproof capabilities and excellent functionality, making it suitable for a wide range of network scenarios. Despite its ultra-compact body, it is designed with a dust protection rating of IP6 and a waterproof rating of IP7, providing reliability for use in various situations. You can choose from different calling methods tailored to your needs, such as individual calling to specific radios and group calling to designated groups. 【Features】 ○ Excellent dust and waterproof performance (IP67) ○ Individual and group calling functions (Selective Call) ○ Equipped with a vibrator (silent mode) ○ Long operation time of approximately 33 hours with the included nickel-metal hydride battery ○ Emergency call button equipped (emergency function) For more details, please contact us or 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.

• PBX/IP phone