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） Official site

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  Introduction to rental smartphones for corporations.

  Product catalog

  Apr 18, 2026

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  Specific Low-Power Transceiver 'SRS30/SRS30S'

  Product catalog

  Apr 10, 2026

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  Catalog for Specific Low Power Transceiver / No License Required 'SRFD1'

  Product catalog

  Mar 09, 2026

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  Specific Low Power Transceiver / No License Required 'SRFD1' Manual

  Specification document

  Mar 09, 2026

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  Specific Low Power Transceiver / No License Required 'SRS90/SRS95' Manual

  Specification document

  Mar 09, 2026

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  Specific Low Power Transceiver / No License Required 'SRS90/SRS95' Catalog

  Product catalog

  Mar 09, 2026

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• 

  Digital Simple Business Radio 'SRD580'

  Product catalog

  Mar 31, 2026

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  Computer rental service

  Other documents

  Oct 06, 2025

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  Digital Simple Business Radio 'SRD790/SRD795(-BT)'

  Product catalog

  Jan 23, 2026

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  Announcement of the release of "eYACHO for Business 7"

  Product catalog

  Sep 10, 2025

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  Can the iPhone you are currently using also be made explosion-proof!? A detailed explanation of explosion-proof cases and Android.

  Other documents

  Aug 10, 2025

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  VR Firefighting Training Simulator

  Product catalog

  Sep 01, 2025

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  Construction management support app 'eYACHO for Business'

  Product catalog

  Sep 01, 2025

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  Specific low-power transceiver / No license required 'UBZ-LU20/UBZ-LU27(BT)'

  Product catalog

  Sep 01, 2025

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  Introduction of Business Chat Direct Case Studies

  Technical data・examples

  Sep 01, 2025

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  L is B Service Solutions Comprehensive Catalog

  General catalog

  Sep 01, 2025

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  VR Firefighting Training Simulator at Kumamoto City Fire Department Disaster Prevention Camp

  Product catalog

  Sep 01, 2025

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• 

  Paperless meeting app "MetaMoJi share"

  Product catalog

  Sep 01, 2025

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  Classroom support app "MetaMoJi ClassRoom"

  Product catalog

  Sep 01, 2025

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  Case Study Collection for the Construction Management Support App 'eYACHO for Business'

  Technical data・examples

  Sep 01, 2025

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  Business management support app 'GEMBA Note for Business'

  Product catalog

  Sep 01, 2025

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  [Increased Wave Response] Digital Simple Radio Relay System / Licensed Station 'IC-RP6300R'

  Product catalog

  Sep 01, 2025

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  Digital Simple Business Radio and Repeater Device 'EXR-7000CR'

  Product catalog

  Sep 01, 2025

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  Introduction to Kitting Services

  Product catalog

  Sep 01, 2025

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  IP wireless, IP transceiver, Wi-Fi wireless device 'TLK25'

  Product catalog

  Sep 01, 2025

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  Vehicle-mounted digital simple radio "IC-DU6505BN PLUS"

  Product catalog

  Sep 01, 2025

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  STJ Rental Wi-Fi Brochure "Rental Wi-Fi 1 / Rental Wi-Fi 3 / Rental Wi-Fi 100"

  Product catalog

  Sep 01, 2025

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  IP510H (IP Transceiver) Overview Document

  General catalog

  Sep 01, 2025

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  Transceiver "IP510H"

  Product catalog

  Sep 01, 2025

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  Digital Simple Radio Relay System 'NEXEDGE CR'

  Product catalog

  Sep 01, 2025

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