The SBM-C4 from Synergy Microwave Corporation is a Modulator with RF Frequency 40 MHz to 1.15 GHz, RF Frequency 40 MHz to 1.15 GHz, LO Frequency 40 MHz to 1.15 GHz, IF Frequency 4 to 115 MHz, P1dB 10 dBm (Input). Tags: Surface Mount. More details for SBM-C4 can be seen below.