YAESU MH48A6J.

WHEN USED WITH YAESU FT7800 USE MEK2 MIC EXTENSION KIT.

                                  PIN 1 SW2.
                                  PIN 2 SW1.
                                  PIN 3 +8 VOLTS.
                                  PIN 4 GROUND.
                                  PIN 5 MIC.
                                  PIN 6 PTT.