The HE188 from BOWEI Integrated Circuits is a RF Amplifier with Frequency 5 MHz to 1.1 GHz, Gain 10 to 15 dB, Small Signal Gain 11.5 dB pk-pk, Gain Flatness ±0.5 dB, Noise Figure 8.5 dB. Tags: Drop-In, Limiting Amplifier. More details for HE188 can be seen below.