Tri Band VHF/UHF Scanner Mobile Antenna

Specs Gain:  3 dBi VHF, 6 dBi UHF Pattern:  Omni-directional SWR:  2.0:1 or Better Elements:  2 Tuned:  136-175 MHz, 380-520 MHz, 698-960 MHz Band:  VHF/UHF Rated Watts:  100 Cable:  RG58U Cable Length:  17 Feet Mount Type:  NMO Height:  22" Magnet Size:  3 5/8" Features Tuned to VHF/UHF Commercial Bands:  Each antenna is tuned to focus on the 136-175 MHz VHF, 380-520 MHz UHF, and 698-960 MHz UHF commercial bands. That doesn't mean other bands won't be heard, it just means that those are the bands it was technically designed for.Excellent Performance:  3 dBi for VHF and 6 dBi for both UHF low and high.Quality Construction:  Black chromed stainless steel whip, spring, and bottom base. Gold plunger contact pin and O-ring gasket on base. Bottom base element is metal and very solid.Mount Included:  All black 3 5/8" NMO Magnet Mount with 17' of RG58U cable - Copper 95% braid and solid insulation. Brass NMO with gold contact pin and teflon insulator. (Choice of BN