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  3. 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)
  4. The expiration date for the use of "analog frequency" in radios is approaching at the end of November 2024!
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  • Jul 27, 2023
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Jul 27, 2023

The expiration date for the use of "analog frequency" in radios is approaching at the end of November 2024!

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) 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)
Due to the digitalization of simple wireless communication systems in November 2024, as guided by the Ministry of Internal Affairs and Communications, all analog simple wireless devices will no longer be operational, necessitating the replacement with digital-compatible simple wireless devices. Ministry of Internal Affairs and Communications Radio Utilization Homepage: https://www.tele.soumu.go.jp/j/ref/relate/dcr/ Our STJ Group (STJ Rentech, Sun Telecom Japan) offers a wide range of communication equipment in Japan. We will propose the most suitable wireless devices, transceivers, and intercoms tailored to your needs. Please feel free to consult with us.
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The expiration date for the use of "analog frequencies" in radios is finally approaching at the end of November 2024!

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BannerdocumentMiT5000.fw_.png

Portable digital simple radio / licensed station 'MiT5000' * high sound quality

Digital radios that support professional environments! We are committed to delivering clear and natural sound quality.

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 when wearing gloves (PTT button, power switch, rotary switch) ■ Accessory connector that can be attached and detached without tools ■ High-definition display with one line of full-width 7 characters ■ Space for attaching individual recognition stickers ■ Programmable key that can be set according to customer preferences *For more details, please refer to the PDF document or feel free to contact us.

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Portable Digital Simple Radio Transceiver / Licensed Station 'IC-DU75'

A simple radio equipped with a sub-channel PTT function that covers up to 3 channels!

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 transmission and reception across 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. The device 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.

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TCPD261.png

Portable UHF Digital Simple Radio/License Station 'TCP-D261/BT'

Evolved to be even thinner, easier to see, and more user-friendly! A design that alleviates the concerns of team sharing.

The "TCP-D261BT/D261" is a UHF digital simple radio equipped with antibacterial and antiviral processing on both the main unit and the battery. It features a large and clear display screen that can show up to 7 full-width characters or 14 half-width characters, and the top of the screen can display multiple icons in a two-line format, while the bottom of the screen shows a key guide to assist with operations. Additionally, you can set one group channel to the PTT and another group channel to the second PTT, allowing you to use it as if you have two devices in one. 【Features】 ■ Convenient Bluetooth functionality (TCP-D261BT only) ■ Easy-to-read LCD display screen with 7 full-width characters ■ Surface resistant to scratches ■ Robust design that is strong against harsh environments, dustproof and waterproof ■ Reduced audio delay *For more details, please refer to the PDF document or feel free to contact us.

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Portable Digital Simple Radio/ Licensed Station 'SR810UA/SR820U'

Utilizing the know-how of a communication equipment manufacturer! A robust internal structure meticulously crafted down to each individual component.

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.

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Portable Digital Simple Radio 'MiT5000 Product Catalog'

Portable Digital Simple Radio 'MiT5000 Product Catalog'

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Portable Digital Simple Radio 'IC-DU75'

Portable Digital Simple Radio 'IC-DU75'

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UHF Digital Simple Radio 'TCP-D261BT/D261'

UHF Digital Simple Radio 'TCP-D261BT/D261'

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"Discontinued" UHF Band Portable Digital Simple Radio 'SR810UA/SR820U'

"Discontinued" UHF Band Portable Digital Simple Radio 'SR810UA/SR820U'

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Human Body Day 2025 Event Report - Nack Image Technology

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On November 6th (Thursday) to 7th (Friday), 2025, we held the "Human Body Day 2025" at the NAC Image Technology Akasaka Multi-Purpose Space. We have uploaded videos of the highlights from each company and the presentations that took place on the day to our website. We encourage you to take a look. ---[Report on Human Body Day 2025 is here]------------------- https://info.nacinc.jp/jintaiday2025-report ------------------------------------------------------------------------- On the day of the event, participants were able to experience a wide range of products in a hands-on session format, including motion capture, force plates, eye tracking, and human body analysis software. We received numerous comments from attendees expressing high satisfaction, saying, "It was great to gain various information all at once," which makes us very happy. NAC Image Technology will continue to provide "valuable products to our customers." We hope you will join us for our next event as well.

Mar 20, 2026

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【Metal Crack Repair】We repair cracks in metal products without applying heat.

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The "Mechanical Stitch Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Mar 20, 2026

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Aluminum casting repair: Metal crack repair without applying heat.

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The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact on the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Mar 20, 2026

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[Cast Iron Crack] We will repair cracks in metal products without applying heat.

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The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact on the base material. Repairs can be carried out even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is kept to a minimum. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Mar 19, 2026

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[Cast Iron Crack] We will repair cracks in metal products without applying heat.

  • NEW
  • CATALOG

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Mar 19, 2026

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