The MPAR-265400S43 from Fujian MIcable is a RF Amplifier with Frequency 26.5 to 40 GHz, Gain 43 dB, Small Signal Gain 48 dB, Gain Flatness ±3.5 to 4.5 dB, Output Power 37 to 43 dBm. Tags: Benchtop / Rackmount, Power Amplifier. More details for MPAR-265400S43 can be seen below.