WORKMAN DM502B LAANTEK DTM502 CB HAM POWER AMPLIFIED DESK DESKTOP MICROPHONE

Description

NEW Workman DM502B (Laantek DTM502)
amplified desk microphone with flexible goose neck head. The DM502B desk microphone is perfect for base CB and Amateur radio operators. PTT and UP/DWN controls compatible with modern radio transceivers. Tone control switch for wide band FM and narrow band SSB operation. AMPLIFIED voice clarity, adjustable gain for maximum output power. High quality construction.
Requires two AA batteries (not included).
Requires wiring of connector for your radio (connector not included)
.
Not compatible with radios requiring RX control to unmute audio for receive.
If your radio audio mutes when the microphone is disconnected then your radio requires RX control and this microphone won't work with your radio.
Warning: An in line DC blocking capacitor on the audio line is required for use with Icom brand radios. Not installing an inline capacitor will result in damage to the microphone and void the warranty.
SPECIFICATIONS:
Microphone Element: electric condenser (powered from AA batteries)
Impedance: 500 to 100K ohm
Output level: 10mV to 30mV, adjustable
Wiring: 8 conductor cable (7 stranded wires plus 1 shield) with
NO CONNECTOR
Size: 6.8" (L) x 4" (W) x 12" (H)
Power: two AA batteries (not included), power required for PTT and Audio function
WIRING SPECIFICATIONS:
Shield: Audio Shield/Common
White: Audio
Red: PTT/TX
Blue PTT RECEIVE/COMMON (connect to common or ground of radio for PTT)
Green: UP
Yellow: DOWN
Black: UP/DOWN COMMON (
connect to common or ground of radio for UP/DWN)
Orange: B+ (3v max) voltage (if power supplied from radio); not required when using battery power
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