With its handy magnetic mount for easy installation, this GSM 'Stubby' Quad-Band Antenna handles a maximum power 10W with 50 Ohm Impedanceand operates in the 900/1800/1900/2170MHz band. With an active gain: +3 and +4dBi and VSWR <2.0:1, this omni-directional antennae comes complete with with a 3 m RG174 cable lead.