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https://www.hytera.com/en/product-new/accessories/audio/sm26n3.html

Specifications of SM26N3
Specifications
Dimensions76.85* 60.55* 34mm
Weightabout 150g
Colorblack & grey
PTT Keyavailable
Emergency Keyavailable
Connector16-pin connector
Microphone Sensitivity-42±3dB@1kHz 3.0V 2.2K,0dB=1V/Pa
Speaker Power2 W (rated); 2.5 W (max.)
Speaker Impedance8Ω±15%@1.5kHz
Speaker Frequency Response85±4dB@1kHz 2w30cm
IP RatingIP67
Operating Temperature-30~60℃
Storage Temperature-40~85℃

Hytera radio (SZSE: 002583) is a leading global provider of professional communications technologies and solutions. With voice, video and data capabilities, we provide faster, safer, and more versatile connectivity for business and mission critical users. We enable our customers to achieve more in both daily operations and emergency response to make the world more efficient and safer.