COULD BE USED IN YAESU 7R,LT6100PLUS,TK3107,5118,SUCH AS QUANSHENG,BEIFENG OUR ADVANTAGES ARE PRICE AND QUALITY , BEST SERVICE !YOUR SATISFACTION IS OUR GOAL!!!best quality ,good service and competitive price. these are our first goal ! Antenna Adapter of walkie talkie for Hand-held radio (SMA M/F) change to vehicle radio interface SMA-M