Specifications:
One. Dielectric antenna specification
1. GAS1575R(18*18*4mm)
2. Center frequency 1575.42mhz+/-2 MHZ
3. V. S. W. R 1.5:1
4. Band width +/-5 MHZ
5. Attenuation fo+/-100mhz>30db
6. Impendence 50 ohm
7. Peak gain >3dbic based on 7*7cm ground plane
8. Gain coverage >-4dbic at -90<0<+90(over 75% volume)
9. Polarization rhcp


Two. Lna specification
GAA1575AXN9-32*21

1. Lna gain(without cable) 25db typical
2. Noise figure 1.5db
3. V. S. W. R <2.0
4. Dc voltage:2.7-5.0v+/-0.5v
6. Dc current 13ma max

Three. Mechanical specification
GAA1575AXN9-32*21

1. Weight <30gram
2. Size 32*21*8.3mm
3. Cable 1.13mm or 0.81mm 8-10mm cable
4. Connector :U.FL or H.FL or SGC or IPEX
5. Mounting base: built in 
6. Housing black:without
Four. Lna

Two poles LNA.

Five. Environmental specification
1. Working temp -40~+85
2. Storage temp -40~+100
3. Vibration sine sweep 1g(0-p)10~50~10hz each axis
4. Humidity 95%~100%rh
5. Weatherproof :no waterproof
6. Mtbf=1*10-6/pc. Hr 40+/-5 dc=5.0v+/-0.5v 2000pcs for 480