The HEM554E from BOWEI Integrated Circuits is a RF Amplifier with Frequency 2.7 to 3 GHz, Gain 12 to 13 dB, Gain Flatness ±0.4 dB, Noise Figure 0.7 to 0.8 dB, Output Power 8 to 9 dBm. Tags: Drop-In, Low Noise Amplifier. More details for HEM554E can be seen below.