Center GSM Antenna Frequency 850/900/1800/1900MHz Typical Gain2dBi±1dBi 850MHz 1dBi±1dBi 1900MHz V.S.W.R 2.0:1 Impedance 50ohm LNA Gain (Without cable) 28Db Typical Noise Figure 1.5dB Filter Out Band Attenuation (f0=1575.42MHz) 7dB in f0+/-20MHz; 20dB in f0+/-50MHz; 30dB in f0+/-100MHz V.S.W.R 2.0 DC Voltage 2.7V/3.0V/3.3V/5.0V/3.0V to 5.0V/other DC Current11mA Max Size 80mm*15mm Cable GPS RG 174 2 meter, 5meter long or other GSM RG 174 2 meter, 5 meter long or other Connector GPS SMA/SMB/SMC/BNC/TNC/FME/MCX/MMCX or other GSM SMA/SMB/SMC/BNC/TNC/FME/MCX/MMCX or other Mounting Adhesive/ Magnetic/ Screw Mounting Housing Black Working Temp -40+85°c Storage Temp -45+1000°c Vibration Sine sweep 1g(0-p)105010Hz each axis Humidity Humidity95%100%RH Weatherproof 100% Waterproof