The SBM-K5 from Synergy Microwave Corporation is a Modulator with RF Frequency 1 to 1.65 GHz, RF Frequency 1 to 1.65 GHz, LO Frequency 1 to 1.65 GHz, IF Frequency 10 to 165 MHz, Amplitude Balance 0.4 to 0.6 dB. Tags: Surface Mount. More details for SBM-K5 can be seen below.