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 Noise Figure 1.5dB Filter Out Band Attenuation (f0=1575.42 MHZ) 7dB Ｍin f0+/-20MHZ ; 20dB Ｍin f0+/-50MHZ; 30dB Ｍin f0+/-100MHZ V.S.W.R ＜2.0 DC Voltage 2.7V/ 3.3V/3.0V/3-5V DC Current 6mA Max （iii）Mechanical Weight ＜60gram Size 22×22X7.8mm Cable RG174 8cm Connector without （iv）Environmental Working Temp -40℃~+85℃ Storage Temp. -45℃~+100℃ Vibration Sine sweep 1g(0-p)10~50~10Hz each axis