The HMC377QS16G from Analog Devices is a RF Mixer with RF Frequency 0.8 to 1.0 GHz, LO Frequency 550 MHz to 1.15 GHz, IF Frequency 0.05 to 0.25 GHz, Conversion Gain 14 dB, LO Drive - Power -5 dBm. Tags: Surface Mount, Down-Conversion Mixer. More details for HMC377QS16G can be seen below.