The HE195B from BOWEI Integrated Circuits is a RF Amplifier with Frequency 400 MHz to 1 GHz, Gain 75 to 80 dB, Small Signal Gain 90 dB pk-pk, Gain Flatness ±0.5 to 1 dB, Noise Figure 6 to 8 dB. Tags: Drop-In, Limiting Amplifier. More details for HE195B can be seen below.