The TTRM4002 from Triad RF Systems is a RF Amplifier with Frequency 4.4 to 5 GHz, Gain Flatness ±1 dB, Noise Figure 2.5 dB, Output Power 5 to 40 dBm, Output Power 0.003 to 10 W. Tags: Bi-Directional Amplifier. More details for TTRM4002 can be seen below.