The HE552 from BOWEI Integrated Circuits is a RF Amplifier with Frequency 1.2 to 1.5 GHz, Gain 23 to 28 dB, Gain Flatness ±1 dB, Noise Figure 1.1 to 1.35 dB, Output Power 11 to 12 dBm. Tags: Drop-In, Low Noise Amplifier. More details for HE552 can be seen below.