Condenser hand microphone|
The MH-48 is a fist microphone produced by Yaesu for their mobile radios. The microphone uses a condenser mic and has a PTT switch on the top left side. The MH-48 also features a number pad and six additional control buttons in addition to the PTT switch, these can be disabled using the lock switch on the right hand side. The microphone uses a circular mount on the rear for it to be hung up.
The microphone features a captive sprung cable terminated in a 6p6c modular connector.
|1||SW2||Variable resistance to ground based on the button pressed open when no button is pressed.|
|2||SW1||Variable resistance to ground based on the button pressed open when no button is pressed.|
|3||9v||9v power supply to the microphone|
|4||GND||ground connection for microphone and buttons|
|6||PTT||Pulled to ground via a resistor when PTT pressed.|