Specification 
(i) GSM Antenna 
Frequency Range         824~894 MHz
                                        880~960 MHz
                                        1710~1990 MHz
                                        1920~2170 MHz
V.S.W.R                          2.0:1
Impedance                      50 ohm
Typical Gain                    2 dBi
Polarization Type           Vertical or Horizontal
(ii) Mechanical 
Optional Connectors      SMA / FME
Size                                    D9*90mm
Housing                            Black
(iii) Environmental  
Working Temp.               -40°C~+85°C