The STI-CO MMAS-BSSF-VHF Plug 'n Play VHF magnet mount base and antenna combo is ideal for two-way communication. This VHF mobile antenna operates within the frequency range, 150 – 174 MHz and provides unity gain. Maximum power input is 10 W.brbrThe Plug 'n Play magnet mount base works with your portable whip antenna. The 8.5 in portable whip antenna included can be swapped out with other SMA Female portable whips.brbrThe STI-CO Plug 'n Play VHF mobile antenna combo includes 17 ft of RG316 cable with SMA Female connector installed.