BK-102/4 - Belt pack 2ch,el.Sw,XLR-4M
Dual channel Belt pack, XLR-4M headset connector
BK-102/5
Dual channel Belt pack, XLR-5F headset connector
Electric Microphone button, momentary (PTT) and Latch(Lock) two types
New design plastic case, supports RMK function, Call button, Call light
XLR-7 Intercom Line Loop Through Connector, 3.5mm earphone connector