Click here, you can see more products about the GSM Antenna.（i） Dieletric Antenna Center Frequency 1575.42MHz±3 MHz V.S.W.R 1.5:1 Band Width ±5 MHz Impendence 50 ohm Peak Gain ＞3dBic Based on 7×7cm ground plane Gain Coverage ＞-4dBic at -90°＜0＜+90°(over 75% Volume) Polarization RHCP（ii） LNA/Filter LNA Gain (Without cable) 28dB Typical Noise Figure 1.5dB Typ. Filter Out Band Attenuation (f° =1575.42MHz) 7dB Ｍin f0+/-20MHZ ;20dB Ｍin f0+/-50MHZ;30dB Ｍin 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 5mA /11mA Max（iii）Mechanical Size 27x27x6.2mm Cable :RG174 30CM / contact us for other length Connector :MMCX/SMB/SMC/BNC/FME/TNC/MCX /SMA /Fakra/AVIC/WICLIC in straight or right angle please give us some notes if the antenna connector is chosen.Tks!（iv）Environmental Working Temp -40℃~+85℃ Storage Temp. -45℃~+100℃ Vibration Sine sweep 1g(0-p)10~50~10Hz each axis Relative Humidity 95% non-condensingWeatherproof 100% Waterproof