PMI Model PGA-500M4G-8CH-50-30DBM-3U-SFF is a chassis containing 8 amplifiers with the ability to individually terminate unused input ports internally into 50 OHMs. The minimum gain is 50 dB with an output P1dB of +30 dBm. 

Product Specifications

General Parameters:
Frequency Range: 0.5 to 4.0 GHz
Gain: 50 dB Min (With 0 dB Attenuation)
OP1dB: +30 dBm Min
Operating Temperature: 10°C TO 30°C