The TSS-53LNB3+ from Mini Circuits is a RF Amplifier with Frequency 500 MHz to 5 GHz, Gain 18.4 dB, Gain Flatness ±0.7 dB, Noise Figure 1.5 dB, Output Power 46 to 14.9 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for TSS-53LNB3+ can be seen below.