The HE244A from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 2 to 8 GHz, Gain 10 to 11 dB, Gain Flatness ±1.0 dB, Noise Figure 3.5 dB, Output Power 10 to 10.5 dBm. Tags: Power Amplifier. More details for HE244A can be seen below.