This desktop Microphone provides two button functions and a high sensitivity electret microphone element in a housing which is suitable for base station installations.
The microphone is supplied with a coiled cord and a connector that plugs into a control head of the radio.
The right-hand button is used as a push to talk button. The left-hand button is for private or digital line code squelch systems.
Microphone sensitivity can be adjusted through a small hole in the rear of the housing
RM-45 and RM-60 Mobile Radios