Quantic PMI Model PGA-500M4G-8CH-50-30DBM-3U-SFF is a chassis containing 8 amplifier channels with the ability to individually terminate unused input ports internally into 50 Ω. The minimum gain is 50 dB with an output P1dB of +30 dBm. Unit size is 3U 19" Rackmount Chassis, 20" Deep Max.