The MM-BPA-180400-21-31 from Mountain Microwave Technology is a RF Amplifier with Frequency 18 to 40 GHz, Gain 21 dB, Gain Flatness ±2.5 dB, Output Power 28 to 31 dBm, Output Power 0.63 to 1.26 W. Tags: Power Amplifier. More details for MM-BPA-180400-21-31 can be seen below.