The GA40 is a low‑noise waterproof GNSS coaxial line amplifier offering up to 40 dB gain and a noise figure below 2.5 dB.
The GA40 GNSS coaxial line amplifier is designed for indoor GPS coverage, timing, surveying, mobile communications and 5G base‑station applications. It provides selectable gains of 10 dB, 20 dB, 30 dB or 40 dB and supports a wide range of GNSS frequencies, including GPS, GLONASS, Galileo, Beidou, IRNSS and OmniStar.
Electrical specifications feature a low noise figure (<2.5 dB), power consumption under 20 mA, operating temperature from –40 °C to 85 °C, 50 Ω input/output impedance and a DC input voltage of 3‑9 VDC. The unit is fully waterproof and can be powered from the antenna voltage output. This manual is written in Chinese.
| Gain | 10 dB – 40 dB (customizable) |
|---|---|
| Noise Figure | < 2.5 dB |
| Power Consumption | < 20 mA |
| Operating Temperature | -40 °C to 85 °C |
| Input/Output Impedance | 50 Ω |
| Frequency Coverage | GPS L1/L2/L2C/L5, GLONASS G1/G2, Galileo L1/E1/E2/E5/E6, Beidou2 B1/B2/B3, Beidou3 B1/B2/B3, IRNSS L1/L5, OmniStar |
The GA40 offers selectable gains of 10 dB, 20 dB, 30 dB or 40 dB, and custom gain levels can be requested.
The amplifier has a noise figure of less than 2.5 dB.
It supports GPS (L1, L2, L2C, L5), GLONASS (G1, G2), Galileo (L1, E1, E2, E5, E6), Beidou2/3 (B1, B2, B3), IRNSS (L1, L5) and OmniStar.
The device consumes less than 20 mA of current.