SMAKN&Acirc; GSM Gprs Omnidirectional Antenna 3g / 800-1990mhz Modules Lan Antenna Sma Interface Frequency range - MHz: 824-960 / 1710-1900MHZ / 2170MHZ Gain -dBi: 5 VSWR: 2.0 Nominal impedance -: 50 Connector: SMA (default within the inner needle screw; screw inside the hole)