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-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, by using accessories such as headphones, even more comfortable communication can be realized. The battery life has been significantly improved, with a large-capacity lithium-ion battery added to the lineup, 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 stringent conditions set by MIL (U.S. military standards), boasting high reliability that ensures 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 radios, transceivers, and intercoms tailored to your usage environment. Please feel free to consult with us.

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.

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.

The "MiT5000" is a portable digital simple radio that delivers excellent performance in professional settings. It minimizes delays caused by digital signal conversion, achieving call quality that satisfies traditional analog radio users. Additionally, it features two scanning functions that allow for smooth switching between multiple channels. 【Features】 ■ Buttons that are easy to press and switches that are easy to turn, even while wearing gloves (PTT button, power switch, rotary switch) ■ Accessory connector that can be attached and detached without tools ■ High-definition display with a single line of 7 full-width characters ■ Space for attaching individual recognition stickers ■ Programmable key that can be customized to customer preferences *For more details, please refer to the PDF document or feel free to contact us.

The "IC-DU65B / IC-DU6505B" is a digital simple radio (licensed station) that supports high-quality audio and the transmission and reception of text data using digital communication methods. *Note: IC-DU65B has been discontinued. By locking in 32,767 different secret keys, it achieves high secrecy performance. This reduces the risk of eavesdropping in operations that require high confidentiality. It also implements a digital 65 channels that are less prone to interference, minimizing the possibility of signal overlap. Furthermore, it is compatible with communication between our devices and those of other manufacturers with type code 3B (with some exceptions), allowing you to expand your existing radio equipment. 【Features】 ■ Advanced secrecy functions ■ 65 channels that are less prone to interference ■ Short message function ■ High visibility kanji display ■ Supports user code communication *For more details, please refer to the PDF document or feel free to contact us.

The "IC-DU75" is a high-grade flagship model with high sound quality, multifunctionality, and excellent operability. It features a sub-channel PTT function that allows for sending and receiving between up to three channels without the need to switch channels. This enables efficient coverage of multiple instruction and communication systems with a single radio. Simultaneous monitoring of three channels is also possible. It is equipped with a Bluetooth receiver that connects the main unit and headset wirelessly. It also includes a VOX function, supporting hands-free operation. 【Features】 ■ Supports automatic channel switching for relay station areas ■ Capable of sending and receiving location information ■ Side keys that can be assigned various functions ■ Equipped with various emergency functions ■ Rugged, waterproof, and dustproof *For more details, please refer to the PDF document or feel free to contact us.

The "SR810UA/SR820U" is a Bluetooth-compatible UHF band portable digital simple radio. The bottom of the main unit is equipped with a slide lock plate for securing the battery, which prevents the battery from falling out due to severe impacts or incorrect handling by securely locking it in place. Additionally, the accessory connector is located on the side of the radio, so the cord does not get in the way when adjusting the volume or switching channels. 【Features】 ■ Lightweight and compact ■ Dustproof and waterproof IP68 ■ 16 hours of operation (long battery life) ■ Bluetooth compatible ■ Multi-channel standby function *For more details, please refer to the PDF document or feel free to contact us.

The "TCP-D751CT" is a digital simple business radio that enhances teamwork with dual operation. It features a reinforced sealed structure with dust and immersion protection ratings of IP54/55/67/68. In cases where you need to differentiate between licensed and registered stations for business communications at large events, there's no need to carry two separate devices. 【Features】 ■ Clear and fatigue-free sound quality ■ Rugged design for safe use in dusty outdoor environments and near water ■ Equipped with GPS/Bluetooth ■ Motion sensor that detects falls and stillness ■ Zone settings for smooth switching between different channels *For more details, please refer to the PDF document or feel free to contact us.

The "NX-230EX FT" is a VHF general-purpose radio with a dustproof and waterproof structure rated IP65/67. It supports clear voice digital communication and is equipped with an advanced digital secret code function with 32,767 variations. Additionally, there is also the UHF general-purpose radio "NX-330EX FT" available. Please feel free to contact us if you have any requests. 【Features】 ■ Intrinsically safe explosion-proof structure ■ Digital/analog mode general-purpose radio ■ Rugged design compliant with MIL-STD (U.S. Department of Defense military standards) ■ Dustproof and waterproof structure IP65/67 ■ ARIB STD-T102 supports clear voice digital communication *For more details, please refer to the PDF document or feel free to contact us.

The "NX-330EX CT" is a UHF band digital simple radio that complies with IECEx/ATEX standards. It allows for clear digital voice communication and is equipped with advanced digital secret code functionality with 32,767 combinations, as well as selective calling features for individual, group, and all calls. Additionally, it supports location management via a GPS receiver. Please feel free to contact us if you have any inquiries. 【Features】 ■ Authorized UHF band 65 channels, transmission output 1.2W ■ Clear digital voice communication ■ 511 user code functions to prevent call interference ■ Advanced digital secret code functionality with 32,767 combinations ■ Selective calling features for individual, group, and all calls ■ Emergency functions (emergency button, motion sensor, lone worker support) *For more details, please refer to the PDF document or feel free to contact us.

The "TPZ-D561BT/D561" is a UHF digital simple radio that allows for powerful communication with just a simple registration, no qualifications required. By turning on the clear listening mode, the high frequencies of the received sound are emphasized. This makes it easier to hear even in noisy environments and when wearing a mask, where voices can sound muffled. Additionally, it features a headphone jack on the top, and its design allows for easy attachment to the body using a belt hook or for convenient storage in a pocket without being cumbersome. 【Features】 ■ Consideration for safety ■ Peace of mind for shared or rental use ■ Compact design that is easy to hold and convenient to carry ■ Second PTT function that works like two devices with just one ■ Rugged, dustproof, and waterproof design for reliable use in harsh environments *For more details, please refer to the PDF document or feel free to contact us.

The "TPZ-D563BT/D563" is a high-power digital transceiver that excels in a wide range of applications from business to leisure. The main unit and battery of the radio have been treated with antibacterial and antiviral processing. This treatment acts on substances that cause viruses, bacteria, and odors, demonstrating excellent effectiveness. Additionally, the group ACS allocates 30 channels into six groups from A to F, further speeding up the search function, allowing for operation with a fixed channel feel. 【Features】 ■ Easy to hold and use with a slim, compact size ■ Antibacterial and antiviral processing ■ No qualifications required ■ Rugged, dustproof, and waterproof design for peace of mind in harsh environments ■ Enables comfortable communication that can be shared *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce the simple business-use wireless device 'JVCKENWOOD TPZ D503' that we handle. This high-power digital transceiver features a unique microphone mounting structure that minimizes unpleasant noise from hand friction, enabling comfortable communication. The standard rental set includes the main unit, antenna, belt clip, charger, and AC adapter. Please feel free to contact us if you have any requests. 【Specifications (partial)】 ■Model name: TPZ D503 ■Frequency range: 351MHz ■Output power: 5W/1W (+20%, -50%), communication distance (approximate: line of sight about 4-5 km) ■Number of channels: 30ch ■Operating temperature range: -20℃ to +60℃ *For more details, please refer to the PDF document or feel free to contact us.

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 as 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 based on budget. By integrating with GPS location management systems, it supports the efficiency of various operations such as transportation, logistics, 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.

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 clear voice communication with less noise even at greater distances. Additionally, due to dual-mode support (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, shipping, and delivery. 【Features】 ○ Digital calls without white noise ○ Clear and easily understandable digital calls even from a distance ○ High sound quality due to DSP adoption, with minimized delay ○ Adjustable sound quality according to the usage environment ○ Secret conversation function to prevent third parties from overhearing For more details, please contact us or download the catalog.

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 as 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 its 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, shipping, and delivery. 【Features】 ○ Digital communication without white noise ○ Clear and easily understandable digital communication with distant parties ○ High sound quality and minimized 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.

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 understand 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 over longer distances. Furthermore, due to its 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, delivery, and logistics. 【Features】 ○ Digital communication without white noise ○ Clear and easily understandable digital communication even with distant parties ○ High sound quality due to the adoption of DSP, with minimal 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.

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.

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.

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 dual-use 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 materials or feel free to contact us.

The "VXD450V" is a portable radio designed with a dustproof and waterproof structure, making it safe to use in outdoor operations during rain or in dusty environments. It maintains IPX7 waterproofing even when the antenna and battery are detached. 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 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.

The simple and general business-use radio "Kenwood TCP-133W" is equipped with waterproof, dustproof, ruggedness, and functionality, making it a reliable partner in challenging situations. It is a radio that achieves JIS protection grade 5 (splash-proof) which prevents harmful effects from water jets from any direction, and protection grade 7 (immersion-proof) which prevents harmful effects even when submerged in water. It can be safely used outdoors and in work environments where water exposure is likely, regardless of the weather. Additionally, each unit undergoes waterproof testing to ensure reliable products are delivered. Furthermore, the JIS protection grade 5 (dust-proof) not only ensures waterproofing but also provides excellent dust resistance against dirt and dust, preventing the intrusion of foreign substances that could damage the radio'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 radio, transceiver, or intercom based on your usage environment. Please feel free to consult with us.

The digital simple business radio (licensed station) "Icom IC-DU65C" has newly developed a dedicated custom LSI. By using SoC (System-on-a-chip), we have reviewed the number of components and internal structure, 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). Thanks to an energy-saving design that reduces maximum standby current consumption 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 tailored to your needs. Please feel free to consult with 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 newly added emergency function with an emergency key (emergency call button) on the top, allowing for quick communication in case of an emergency. Additionally, it achieves excellent waterproof and dustproof performance while maintaining high sound quality, enhanced by the adoption of a new speaker. Furthermore, improvements to the surrounding area of the built-in microphone enhance input sound quality. 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 business-use 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, utilizing a full-dot LCD that supports Kanji display (up to 4 characters), allowing for smooth operation with easily readable Kanji. Additionally, it has an emergency key (emergency call button) on the top surface, enabling quick communication in case of emergencies. 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 tailored to your needs. Please feel free to consult with us.

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.

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 conventional unlicensed transceivers cannot communicate, 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 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 with us.

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."

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.

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 minimal noise while optimizing internal processing to keep the characteristic voice delay of digital radios to a minimum. Additionally, fine sound quality adjustments can be made according to the user's preferences and usage environment. 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 tailored to your needs. Please feel free to consult with us.