The QIM-1750-5000 from Qualwave is a RF Mixer with LO Frequency 1.75 to 5 GHz, IF Frequency DC to 2 GHz, Conversion Loss 10 dB, LO Drive - Power 17 dBm, LO/RF Isolation 38 dB. Tags: Module with Connectors, I/Q Mixer. More details for QIM-1750-5000 can be seen below.