The 64-89A-2L-43 from TX RX Systems is a RF Amplifier with Frequency 758 to 775 MHz, Gain 80 dB, Noise Figure 5 dB, Output Power 27 dBm, Output Power 0.501 W. Tags: Benchtop / Rackmount, Bi-Directional Amplifier, Automatic Gain Controlled Amplifier. More details for 64-89A-2L-43 can be seen below.