Tested - Works. Good condition.

SPECIFICATIONS Type: Electret hand microphone with auto patch encoder Frequency response: 300-3000 Hz (-6 dB) Sensitivity: ? dB (? Hz, ? cm) Output level: Max 30 mV RMS Output impedance / connector: Hi-Z / Open end Power supply: 9 VDC (6LR61 / PP3 battery) Current drain: 12 mA Dimensions (W*H*D): 67*95*44 mm (2.62*3.75*1.75") Weight: 255 g (9 oz), with battery Manufactured: USA, 1977-1982 (Discontinued) Other: DTMF keypad New price, christmas 1977 in the US: $34.95 New price, spring 1978 in the US: $39.95 New price, fall 1979 in the US: $44.95 New price, fall 1980 in the US: $44.95 New price, winter 1981 in the US: $44.95 New price, christmas 1982 in the US: $49.95 New price, fall 1983 in the US: $49.95 Related documents: Schematic diagram (400 KB) Modifications and fixes: Reviews: Applicable radios: Many