sim900 modem 1.Quad-band GSM/GPRS module 2.especially for slim and compact demand 3.Best price    

GSM antenna with SMA connector 

Frequency range: 900 and 1,800MHz Impedance: 50 Ψ V.S.W.R.: 2.0 ≤ Radiation: omni Polarization: verticalMechanical features: Antenna cover: plastic Color: black Operating temperature: -20 to ~ +65 degree Celsius Storage temperature: -30 to +75 degrees Celsius Connector: SMA male