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

In analog business radios, there were issues with not being able to hear the other person's voice 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 clearer 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 based on budget. By integrating with GPS location management systems, it supports the efficiency of various operations such as transportation, shipping, and delivery. 【Features】 ○ Digital communication without white noise ○ Clear and easily understandable digital communication with distant parties ○ High sound quality due to the adoption of DSP, with minimized delay ○ 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.

• Safety and consumables

Conventional analog business radios had issues such as difficulty hearing the other person's voice and reduced 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 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 based on budget. 【Features】 ○ Digital calls with no residual noise ○ Clear and easily understandable digital calls even from distant parties ○ High sound quality due to the adoption of DSP, with minimized delay ○ Unique microphone attachment structure to cut out noise ○ Adjustable sound quality according to the usage environment For more details, please contact us or download the catalog.

• Safety and consumables

Conventional analog business radios had issues such as difficulty hearing the other person's voice and reduced clarity 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 traditional analog radios. With dual mode support (excluding TCP-D243 simple radio) for both 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 understandable 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.

• Safety and consumables

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 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 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.

• Safety and consumables

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 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 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.

• Safety and consumables

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 IP67 equivalent even before the antenna and battery are attached ○ Two types of recording functions to capture information even when notes cannot be taken ○ 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 tailored to your needs. Please feel free to consult with us.

• Safety and consumables

The IC-DPR100 is a high-output 5W mobile digital simple radio that can be easily used with just a registration process. With enhanced operability and newly added convenient features, the IC-DPR100 strongly supports improved communication for leisure activities, local events, and community crime prevention and disaster response activities. 【Features】 ○ Works even in "no signal" areas ○ Choose who to talk to ○ Easy operation ○ No call charges ○ High confidentiality For more details, please contact us or download the catalog.

• Safety and consumables

The digital simple radio registration station "DJ-DP50H" using the RALCWI method has adopted unique digital technology to achieve a reasonable price. It is equipped with standard features of business radios, including a digital secret conversation code that can be selected from 32,767 options, private channels, prohibition of intercom communication, auto power off, display contrast and lighting settings, emergency button, key lock, incoming call bell, various beep sounds, and microphone gain adjustment. 【Features】 ○ 100 to 500 times the power of specific low-power radios → With the power of digital simple radios, communication is possible over long distances ○ Just a simple registration application that you can do yourself → No qualifications required, and no restrictions on use, making it suitable for any communication ○ Durable body made of polycarbonate and die-cast ○ Sturdy 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.

• Waterproof, moisture-proof, explosion-proof lighting fixtures

The "DJ-M System" is a multi-simultaneous communication and work contact system that allows free communication among up to eight sub-units by wired connection of two main 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 the main unit and sub-units → A user-friendly system that thoroughly simplifies complicated settings ○ By adding a monitor user, communication with even more people is possible ○ Comes standard with a newly designed free belt clip For more details, please contact us or download the catalog.

• Safety and consumables

The "DJ-DP10" is a 1W output digital simple radio and registered station for UHF 351MHz band digital registered stations, implementing 30 channels. Developed in response to voices saying, "I'm not satisfied with the communication distance of low-power radio, 5W radios are overpriced and over-spec, and I don't like 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) ○ Lightweight and easy to carry because it is dedicated to 1W, making it less tiring to carry around compared to 5W models ○ Strongly guards the security of important calls 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.

• Safety and consumables

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 abundance of channels helps 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, the display section and most 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 highly visible kanji display ○ Backlight that excels in dark environments ○ 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 radios, transceivers, and intercoms tailored to your needs. Please feel free to consult us.

• Work 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 helps 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, 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 shines in dark places ○ Compatible with user code communication For more details, please contact us or download the catalog.

• Work tools

The MiT7000 is a digital simple business/MOTOROLA-made, top-tier portable digital UHF band simple radio for professionals. It minimizes the audio delay characteristic of digital technology. It features an audio equalizer function that allows users to freely change the sound quality to their preference, a unique intelligent audio light function that automatically adjusts the radio's volume according to surrounding noise, and noise-canceling capabilities, ensuring reliable communication even in noisy environments. 【Features】 ○ Thoroughly pursued functionality, performance, and design details ○ Easy to hold, beautiful, and meticulously calculated design form ○ Gentle sound for each individual's ears ○ Screen stored inside to prevent accidental operation during movement ○ Quick answer feature that allows pre-recorded messages to be sent with the push of a button For more details, please contact us or download the catalog.

• Work tools

The ICOM IC-D6005 is a digital simple portable radio that complies with a registration system that does not require a license procedure, despite its high output of 5W. It is ideal not only for communication over a wide range that cannot be covered by specific low-power transceivers but also as a rental device for election activities and events. Additionally, it is possible to communicate with 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.

• Work tools

The IC-DU6505BN 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 current device. Using a command microphone equipped with a large, easy-to-read LCD, you can control most operations from your location. Additionally, it comes with a GPS unit, enabling the acquisition of GPS data. The top of the command microphone features an emergency key (emergency call button) 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.

• Work tools

The IC-D6005N is a vehicle-mounted digital simple radio that supports IP network connectivity. By connecting via an IP network, it expands the communication area and allows remote control of a unit located far away from your current 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.

• Work tools

The FTH508 is a lightweight, all-weather transceiver that can be used for extended periods. It features industry-leading dust and waterproof capabilities and is equipped with excellent functions to accommodate 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) ○ Approximately 33 hours of long operation with the included nickel-hydrogen battery ○ Emergency call button equipped (emergency function) 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 based on your needs. Please feel free to consult us.

• Work tools

The portable digital radio TCP-D151C/251C offers excellent call quality unique to digital radios, ensuring that as the distance increases or the received signal strength weakens, the other person's voice remains clear and understandable, unlike analog radios. Up to a certain distance, voices can be heard clearly regardless of proximity. By adopting DSP and implementing unique internal processing, it achieves voice quality that is easy to hear even in noisy environments. The fundamental performance of "holding," "seeing," and "speaking" has been thoroughly refined. 【Features】 ○ Clear and easily understandable voice from distant parties ○ Digital calls with no residual noise ○ Lightweight (approximately 227g), thin (thinnest part 24.6mm), compact (132cc), and user-friendly ○ Robust and reliable design for harsh environments, with waterproof and splash-proof features ○ Uses independent rotating nuts that are resistant to cable twisting For more details, please contact us or download the catalog.

• Safety and consumables

The digital compact portable radio 'TCP-D551' is a digital transceiver compatible 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 immersion. With simple operation using four keys, various function settings are possible. The LCD screen supports kanji and displays the channel number in large font with four characters. 【Features】 ○ Lightweight (approximately 220g), thin (minimum thickness 24.6mm), small (132cc), and easy to use ○ Robust design for peace of mind even in harsh environments, with waterproof and splash-proof features ○ Adopts an independent rotating nut that is resistant to cable twisting ○ With DSP adoption, audio quality is high, and delay is minimized ○ Second PTT function allows for usage 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.

• Safety and consumables

The digital compact portable radio 'TPZ-D553' requires no qualifications and allows for powerful communication to begin 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 size. 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 even in harsh environments, with waterproof and splash-proof design ○ Features 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, so we recommend the successor model "TPZ-D563/BT."

• Safety and consumables

The ICOM LTE transceiver 'IP500H' is an IP transceiver that leverages the simultaneous and immediate communication capabilities of traditional transceivers while achieving the wide call range of mobile phones. It possesses intelligence similar to conventional transceivers, allowing users to select appropriate groups for calls based on the situation. It can be utilized in various settings such as security companies, restaurant chains, and hotels. The convenience of the radio and the connectivity of mobile phones have collaborated. 【Features】 - Covers all of Japan with au's 4G LTE (800MHz band) with a 99% artificial coverage rate - Supports simultaneous calls and multiple phone lines - Dustproof and waterproof IP67 - Compatible with in-vehicle operation - Various function expansions *For more details, please contact us or download the catalog. ● This product has been discontinued, so we recommend the successor product "IP510H."

• Safety and consumables