The HE461B from BOWEI Integrated Circuits is a RF Amplifier with Frequency 10 MHz to 1 GHz, Gain 23 to 24 dB, Gain Flatness ±0.5 to 0.75 dB, Noise Figure 3.5 dB, Output Power 10 to 10.5 dBm. Tags: Drop-In, Power Amplifier. More details for HE461B can be seen below.