The SSM1218HC2MDA from Narda-MITEQ is a Modulator with RF Frequency 12 to 18 GHz, RF Frequency 12 to 18 GHz, LO Frequency 12 to 18 GHz, IF Frequency 20 to 40 MHz, Conversion Loss 9 to13 dB. Tags: Module with Connectors. More details for SSM1218HC2MDA can be seen below.