The IR3500H70SH-0S from R & K Company Limited is a RF Mixer with LO Frequency 3.47 to 3.77 GHz, IF Frequency 70 MHz ± 5%, Image Rejection 22 dB, Conversion Loss 9 dB, LO Drive - Power 23 to 26 dBm. Tags: Module with Connectors, Image Reject Mixer. More details for IR3500H70SH-0S can be seen below.