Factory price manufacture gps antenna for Ipad 

(i)Dielectric Antenna

Center Frequency(MHz):1575.42±3 
VSWR:1.5:1 
Bandwidth(MHz):±5 
Impedance(Ω):50  
Peak Gain >3dBi Based on 7cm×7cm ground plane 
Gain Coverage >-4dBi at –90°<0 <+90°(over 75% Volume) 
Polarization:RHCP 

(ii)LNA/Filter 

LNA Gain (Without cable) :28 dBi Typical 
Noise Figure(dB):1.5 
Filter Out Band Attenuation (f0=1575.42 MHz) 
7dB Min f0+/-20MHz ; 
20dB Min f0+/-50MHz; 
30dB Min f0+/-100MHz 
VSWR <2.0 
DC Voltage(V):2.7/3.0/3.3/5.0/3.0 to 5.0 etc. 
DC Current(mA):11 Max 

(iii)Mechanical 

Weight(gram )<110 
Size(mm):44.0×35.5×14.0 
Cable Length(m):2,3 etc. 
Connector:SMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX etc. 
Mounting:Magnetic 
Housing:Black 

(iv)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