This 2.2"/57mm long antenna has 2dBi of gain and 50? impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless receiver/transmitter such as any Cellular or GSM/GPRS device.
 Specifications:
 
 Datasheet
 Frequency: 850/900/1800/1900/2100 MHz
 Gain: 2 dBi
 V.S.W.R.: <=2:1
 Polarization: Vertical
 Connector: SMA Male Right Angle (Option)
 Impedance: 50?
 Operation Temperature: -20ºC ~ 60ºC
 Storage Temperature: -30ºC ~ 75ºC
 
 Dimensions:
 
 Length: 57mm / 2.2"
 Length of Connector: 16.5mm / 0.65"
 Weight: 8g
 Image of dimensions