The L59106 from Mercury Systems is a GPS/GNSS Filter Amplifier with Frequency 1.2276 to 1.57542 GHz, Noise Figure 3 dB, Attenuation/Rejection 75 dB, Current 1.1 to 1.4 A, Gain 22 to 26 dB. Tags: Module with Connector. More details for L59106 can be seen below.