The 64-89A-2H-43 from TX RX Systems is a RF Amplifier with Frequency 851 to 869 MHz, Gain 90 dB, Noise Figure 5 dB, Output Power 33 dBm, Output Power 2 W. Tags: Benchtop / Rackmount, Bi-Directional Amplifier, Automatic Gain Controlled Amplifier. More details for 64-89A-2H-43 can be seen below.