SM18N3

 Highlights:
1. Compliance with IP54 standard.
2. With Φ3.5mm external earpiece jack.
3. With 360°swivel metal clip.
4. With Emergency key.

Speaker Specifications:
Rated Impedance: 8Ω±15% （@ 1.5kHz 1V）;
Sound Pressure Level: 78±4dB (1w/30cm)（@ 300Hz-3KHz AVE）;
Rated Power: 1.0W   Max. Power: 2.0W;

Microphone Specifications:
Sensitivity: -42±2dB @ 1KHz（0dB＝1v/Pa);
Direction: omni-directional;

Weight: about 160g;

Operating Temperature: -30℃~65℃

Application: for users who work under harsh environments, such as traffic wardens, police officers, fire fighters and rescuers.
Compatible Radios:PT580H