The IR1950H70SH-0S from R & K Company Limited is a RF Mixer with LO Frequency 1.77 to 2.27 GHz, IF Frequency 70 MHz ± 5%, Image Rejection 30 dB, Conversion Loss 8.5 dB, LO Drive - Power 23 to 26 dBm. Tags: Module with Connectors, Image Reject Mixer. More details for IR1950H70SH-0S can be seen below.