The HMC-MDB277 from Analog Devices is a RF Mixer with RF Frequency 70 to 90 GHz, LO Frequency 70 to 90 GHz, IF Frequency DC to 18 GHz, Conversion Loss 12 dB, LO Drive - Power 14 dBm. Tags: Die, Double Balanced Mixer. More details for HMC-MDB277 can be seen below.