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Wireless-Mouse-TELEC-Certification-Application-Process-and-Requirements
Edit: ANCI 2026-06-04 33
Wireless mice sold in Japan must comply with the Radio Act and obtain TELEC certification (also known as Japan Radio Law certification). This guide covers the TELEC certification requirements for wireless mice operating in the 2.4GHz band.
TELEC Certification Overview
TELEC certification is mandated by Japan's Ministry of Internal Affairs and Communications (MIC) under the Radio Act:
- 2.4GHz wireless mouse (non-Bluetooth):Classified as a specified low-power radio station under Article 4, Paragraph 1, Item 21 of the Radio Enforcement Regulations
- Bluetooth mouse:Same classification, but also requires Bluetooth SIG qualification listing
Applicable technical standard: MIC Notice No. 88 of 2020 (2.4GHz band low-power data communication system).
RF Testing Requirements
Wireless mouse TELEC certification requires the following RF tests:
- EIRP limit:10mW/MHz power spectral density limit for 2.4GHz low-power data communication
- Frequency tolerance:Must meet the specified frequency stability requirements
- Spurious emissions:In-band and out-of-band spurious emission limits per MIC technical standards
- Occupied bandwidth:Signal bandwidth must comply with the specified limits
- Antenna requirements:Must be an integral antenna (non-removable)
Practical Insight:A wireless mouse with a 2.4GHz USB dongle failed TELEC spurious emission testing at 5.2GHz — the 2nd harmonic of the 2.6GHz internal clock of the mouse sensor exceeded the limit by 4dB. The sensor's clock trace on the PCB was running parallel to the 2.4GHz antenna feed line for 15mm, causing harmonic coupling. Rerouting the sensor clock trace away from the antenna feed line and adding a ground guard trace between them reduced the harmonic by 7dB.
TELEC Application Process
- ①Testing:Send samples to a MIC-designated testing laboratory (Registered Certification Body) in Japan or an MRA partner country
- ②Documentation:Prepare Japanese-language technical documentation and user manual
- ③Certification body review:Registered Certification Body reviews test report and documentation
- ④Certificate issuance:TELEC certificate issued with certification number
Timeline: 4-8 weeks. Note: Documentation in Japanese is mandatory. GTG provides wireless mouse TELEC certification consulting services.
Labeling Requirements
- TELEC certification mark (R/C mark) on the product
- Certification number displayed near the mark
- Japanese-language warning statement about radio law compliance
- For specified low-power equipment, the label must include "特定小電力局" designation
This article is AI-assisted and for reference only. It does not constitute any certification commitment or legal advice. Please refer to the latest official regulations.
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