The QM1220A from Polyphase Microwave is a Modulator with RF Frequency 1.2 to 2 GHz, RF Frequency 1.2 to 2 GHz, LO Frequency 1.2 to 2 GHz, Conversion Loss 7 to 9 dB, P1dB 8 dBm (Input). Tags: Module with Connectors. More details for QM1220A can be seen below.