The IRM0622B from Technology Service Corporation is a RF Mixer with RF Frequency 10 to 600 MHz, LO Frequency 600 MHz to 2.2 GHz, IF Frequency 10 to 90 MHz, Image Rejection 25 to 35 dB, Conversion Loss 8.5 to 11 dB. Tags: Module with Connectors, Image Reject Mixer. More details for IRM0622B can be seen below.