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https://www.hytera.com/me/products/accessories/audio/ECN21.html

Applicable to high-noise environments, such as airports, ports, and construction sites.

Specifications of ECN21
Specs_Acc_Audio
Weightabout 350g
Colorblack
PTT Keyavailable
VOXYES (enabled when the radio's VOX function opened )
Emergency Keynone
Connector13-pin connector
Microphone Sensitivity-42±3dB@1kHz 3.0V 2.2K,0dB=1V/Pa
Speaker Power1 W (rated); 1.5 W (max.)
Speaker Impedance2* 8Ω±15%@1kHz
Speaker Frequency Response90±4dB@1kHz 1w/10cm
IP Ratingnone
Operating Temperature-30~55℃
Storage Temperature-40~55℃

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