The HE234 from BOWEI Integrated Circuits is a RF Amplifier with Frequency 400 MHz to 1.1 GHz, Gain 45 to 48 dB, Small Signal Gain 48 dB pk-pk, Gain Flatness ±0.5 to 0.75 dB, Noise Figure 8.5 dB. Tags: Drop-In, Limiting Amplifier. More details for HE234 can be seen below.