(i)Dielectric Antenna Center Frequency(MHz):1575.42±3 VSWR:1.5:1 Bandwidth(MHz):15 Min Impedance(Ω):50 Peak Gain>4dBi based on 7cm×7cm ground plane Gain Coverage>-4dBi at –90°<0 <+90°(over 75% Volume) Polarization:RHCP Power Handling (W):1 (ii)Mechanical Weight (gram)<10 Size(mm):18×18×2 (iii)Environmental Working Temp:-40℃~+85℃ Storage Temp:-45℃~+90℃ Vibration:Sine sweep 1g(0-p)10~50~10Hz each axis Humidity:Humidity95%~100%RH