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https://www.hytera.com/en/products/accessories/audio/SM25A1.html

Specifications of Hytera SM25A1
Specs_Acc_Audio
Dimensions92.8* 62.5* 32.1mm
Weightabout 160g
Colorblack
PTT Keyavailable
Emergency Keyavailable
Connector10-pin connector
Microphone Sensitivity-42±3dB@1kHz 3.0V 2.2K,0dB=1V/Pa
Speaker Power2 W (rated); 3 W (max.)
Speaker Impedance20Ω±15%@1.5kHz
Speaker Frequency Response97±3dB@1kHz 2w/30cm
IP RatingIP54
Operating Temperature-30~60℃
Storage Temperature-40~85℃

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Hytera is a professional tetra radio manufacturers, we provide tetra ham radio, tetra terrestrial trunked radio, hytera ehs20 and etc. Want to learn more about Hytera products and solutions? Please tell us your business needs, our specialist will analyse your pain points and offer the right solution.