The L5699-1S from Mercury Systems is a GPS/GNSS Filter Amplifier with Frequency 1217 to 1237 MHz / 1565 to 1585 MHz, Noise Figure 3 dB, Attenuation/Rejection 60 dB, Current 125 mA, Gain 46 dB ± 2 dB. Tags: Module with Connector. More details for L5699-1S can be seen below.