SAVE $The Icom SM-30 is a compact, lightweight unidirectional electret
condenser microphone. It features a selectable low cut function. The goose-neck
style desktop mic has an microphone output level that can adjusted via a trimmer
on the bottom of the microphone. The base has a PTT and Lock PTT
switch and there is a red "PTT lock" lamp. The characteristics of the SM-30 have
been optimized for SSB and FM voice communications. It has an 8 pin connector.
Output impedance is 600 ohm. Operates from 8VDC which is derived from the Icom
radio. The mic cable is 39 inches (1 m) long. 12.3 oz (350g).