The ZFR-8500-04 from EM Research is a Frequency Synthesizer with Frequency 7.2 to 8.5 GHz, Step Size 200 KHz, Reference Frequency Internal, Harmonics -25 to -20 dBc, Spurious -60 to -55 dBc. Tags: Module with Connectors. More details for ZFR-8500-04 can be seen below.