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SM20A1

Handset

Telephone receiver design for easy operation;

The receiver volume is adjustable.

Applicable radios: MD780;MT680 Plus

PTT key: available

Top key: available

Interface: 10-pin connector

Microphone sensitivity: –21±3 dB @ 1 kHz 3.0 V 2.2 K, 0 dB = 1 V/Pa

Speaker impedance: 150 Ω±15% @ 1 kHz

Speaker power: 30 mW (rated); 50 mW (max.)

Speaker frequency response: 125±4 dB @ 1 kHz at 50 mW

IP rating: IP54

Color: black

Weight: about 230 g

Dimensions: 223 mm x 69 mm x 53 mm

Operating temperature: –30℃ to 65℃

Storage temperature: –40℃ to 85℃

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