JD-DM1

characteristic:
1. Unique for base station.
2. Second PTT for long time transmitting.
3. PTT-lock switch for long time transmitting.
4. High impact housing, heavy duty and professional application.
5. Potentionmeter is to adjust volume high and low.
6. Available for specific circuit requirement.
specification:
Microphone size:170*67*167 mm
microphone
• Type of Element :Non-directional dynamic. (Electric condenser element type is available.)
• Diameter:30 mm
• Sensitivity:120dB
• Output Impedance:600 ohm @ 1k Hz

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