The Pulse SLPT2400DMN shadow low profile transit 2.4 GHz antenna is designed to be directly mounted on vehicle exteriors and enclosures. This antenna is vertically polarized with N Female connector, 50 Ohm impedance, 4.3 dBi gain, 2.0:1 VSWR, and 10 W power rating. The black radome is made of PC and BS plastic. A direct 3/4 in hole is needed for mounting.