The HE553 from BOWEI Integrated Circuits is a RF Amplifier with Frequency 1.4 to 1.7 GHz, Gain 23 to 28 dB, Gain Flatness ±1 dB, Noise Figure 1.1 to 1.4 dB, Output Power 10 to 12 dBm. Tags: Drop-In, Low Noise Amplifier. More details for HE553 can be seen below.