(i)Dielectric Antenna Center Frequency 1575.42MHz±3 MHz V.S.W.R 1.5:1 Band Width ±5 MHz Impedance 50 ohm Peak Gain >3dBic Based on 7×7cm ground plane Gain Coverage >-4dBic at 90°<0<+90°(over 75% Volume) Polarization RHCP (ii)GSM Antenna Center Frequency 824MHz~894MHz;880MHz~960MHz; 1710MHz~1990MHz V.S.W.R 2.0:1 Impedance 50 ohm Typical Gain 2dBi+/-1dB@850MHZ; 2dBi+/-1dB@900MHZ; 1dBi+/-1dB@1800MHZ; 1dBi+/-1dB@1900MHZ (iii)Wifi Antenna Frequency Range 2400-2500 MHz VSWR ≤1.5 Gain 2.15dBi Impedance 50 ohm Polarization Type Vertical (iv)LNA/Filter LNA Gain(Without cable) 28dB Typical Noise Figure 1.5dB Filter Out Band Attenuation (f0=1575.42 MHZ) 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 Current 11mA Max (v)Mechanical Weight <240gram Size 70mmx70mmx14mm Cable GPS-----RG174 2meter, 5meter long or other GSM-----RG174 2meter, 5meter long or other Wifi-----RG174 2meter, 5meter long or other Connector GPS-----SMA/SMB/SMC/BNC/FME/TNC/MCX /MMCX or other GSM-----SMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX or other Wifi-----SMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX or other Mounting Screw Mounting Housing Black (vi) Environmental Working Temp. -40℃~+85℃ Storage Temp. -45℃~+100℃ Vibration Sine sweep 1g(0-p)10~50~10Hz each axis Humidity Humidity95%~100%RH Weatherproof 100%Waterproof