The PRX-20-1G18G-850M-SFF from PMI RF is a Channelized Receiver with an RF input frequency range from 1 to 18 GHz and an output frequency of 5 GHz max. (4.4 GHz Typ). The receiver has twenty channels that allow simultaneous signals to be output for digitization. An internal reference is included to lock the various LO's in order to down convert the signal into the necessary frequency bands.
