The L59105 from Mercury Systems is a GPS/GNSS Filter Amplifier with Frequency 1.2276 to 1.57542 GHz, Noise Figure 2.5 dB, Current 1.1 to 1.4 A, Gain 21 to 25 dB, Input Power 1 W (30 dBm). Tags: Module with Connector. More details for L59105 can be seen below.