The 900-M103 from RH Laboratories is a RF Mixer with RF Frequency 2 to 18 GHz, LO Frequency 2 to 18 GHz, IF Frequency DC to 850 MHz, Conversion Loss 6.5 to 9 dB, LO Drive - Power 14 to 17 dBm. Tags: Module with Connectors, Single Sideband Mixer, Down-Conversion Mixer. More details for 900-M103 can be seen below.