The IFM-4 from Quantic Wenzel (Wenzel Associates, Inc.) is a Integrated Microwave Assembly with Conversion Loss -3 to 5 dB, Current 280 to 650 mA, Harmonics -25 dBc, Input Frequency 5 MHz to 1 GHz, Input Power 12 to 15 dBm. Tags: Module with Connector. More details for IFM-4 can be seen below.