The HE188A from BOWEI Integrated Circuits is a RF Amplifier with Frequency 1 to 2 GHz, Gain 9 to 10.5 dB, Small Signal Gain 10.5 dB pk-pk, Gain Flatness ±0.5 dB, Noise Figure 9.5 dB. Tags: Drop-In, Limiting Amplifier. More details for HE188A can be seen below.