PMI model PA-LPN-40-50M500M-5-35DBM-SFF-X8 is an 8 channel, low phase noise, power amplifier chassis with the ability to terminate unused ports into 50 ohms. This model covers the frequency range of 0.04 to 0.5 GHz with minimum gain of 40 dB and output P1dB of 33 dBm. This amplifier is housed in a 3U 19" rack-mount chassis with manual switch control on the front panel, SMA female connectors on the rear panel, and a 100 to 240 VAC 50/60 Hz power input.