GPS Preamplifiers Home>Products>GPS Preamplifiers Accessories GPS Preamplifiers A very high-performance, low-noise amplifier optimized for GPS applications. Product Features Weather-proof. Low noise figure: < 1.5 dB. High linearity: > -12 dBm IP 1dB. High gain: +26.5 dB +/-1 dB. Low power: 15 mA.Flat group delay: delta < 1 ns @ 1575 +/-1 MHz.Group delay is individually measured and written on each LNA label with 1 ns resolution.