The FVR-880 from RF Bay is a Frequency Multiplier with Input Frequency 173 to 179 MHz, Output Frequency 865 to 895 MHz, Harmonics 83 to 97 dBc, Conversion Loss 2 dB, Frequnecy 173 to 179 MHz. Tags: Module with Connectors, Active. More details for FVR-880 can be seen below.