PMI Model No. PMIX-4D4G7D8G-1G4D4G-12V is a 4.4 to 7.8 GHz, Down Converter Module that has a typical gain of 3 dB; a Max VSWR of 6.5:1; RF Input Power -15 dBm Typ., -10 dBm Max; LO Input 8.8 GHz; LO Input Power +18 dBm Typ; IF Output Range 1.0 to 4.4 GHz; Noise Figure 14 dB Max. - Measured 12.93 dB; Harmonics -60 dBc Max; Spurious -60 dBc Max; and Output IP3 +25 dBm.  Unit has SMA male input connectors and a SMPM male output connector in a housing measured at 2.700" x 1.500" x 0.525".  https://www.pmi-rf.com/product-details/pmix-4d4g7d8g-1g4d4g-12v