The HE073B from BOWEI Integrated Circuits is a RF Amplifier with Frequency 2 to 100 MHz, Gain 23 to 26 dB, Small Signal Gain 26 dB pk-pk, Gain Flatness ±0.5 dB, Noise Figure 6 to 7 dB. Tags: Drop-In, Limiting Amplifier. More details for HE073B can be seen below.