FURUNO  GPS antenna unit  gpa-017s

Ancient wild original timing antenna gp-017
Frequency range: 1575±5MHz
Polarization mode: dextral circular polarization
Antenna gain: -4db at 10°;
2 dbic at 90 °
Amplification gain: 35 dBtyp.
Noise coefficient: <1.6db typ.
Voltage: 5 v
Power loss: 25mA(4.75±0.75 VDC)
Interference suppression: >7dB (fo±20MHz)
> 20 db (fo + 50 MHZ)
> 30 db (fo + 100 MHZ)
Volume: mushroom head diameter: 69mm
Weight: 0.59 KG
Connection: BNC
Operating temperature: -35℃ ~ 75℃
Storage temperature: -40℃ ~ 80℃
Wet degree: <95