The IRM0511B from Polyphase Microwave is an Image Rejection Mixer with an LO frequency from 550 to 1100 MHz and IF Frequency from 10-50 MHz/30-90 MHz. This mixer ensures that the desired RF sideband is downconverted to the IF while the unwanted RF sideband is internally rejected. It provides LO-RF isolation of 65 dB and LO-IF isolation of 45 dB. The mixer has a P1dB of 7 dBm, a conversion loss of 8.5 dB, and a noise figure of 9 dB. It has an LO power drive of up to 14 dBm and has a VSWR of less than 1.4:1. The mixer has excellent image rejection across multi-octave IF frequency bandwidths. It is available in a module with field-replaceable SMA-Female connectors.