Multi Frequency Operation: 433/868MHz, GSM 900/1800/1900MHz and UMTS Max gain: +3dB VSWR <4:1 50 Ohm impedance Vertical Polarization 3 metres RG174 Lead SMA (M) Waterproof ABS Enclosure, ideal for external use Operating Temperature –30 to +85°C Dimensions 130 x 45 x 27mm
GSM (Global System for Mobile communications) Antennas