Wishring M Male PL-259 Dual Band Antenna For CAR Mobile Radio UHF VHF 400-470 136-174MHZ Frequency 400-470MHZ and 136-174MHZ Power50W Length: 9CM Dual band, high gain! Top diameter3.4CM Button diameter4CM Can install to the antenna base station directly. 4 colors available, we will send black as default, if you need red, yellow or White colors please choose seller fullfill (not FBA) and leave notes.