The DM-LNK-40-102 from Mercury Systems is a RF Amplifier with Frequency 18 to 21 GHz, Small Signal Gain 40 dB pk-pk, Gain Flatness ±1.5 dB, Noise Figure 2.3 dB, Output Power 15 dBm. Tags: Low Noise Amplifier. More details for DM-LNK-40-102 can be seen below.