The SSB0511A from Technology Service Corporation is a RF Mixer with RF Frequency 10 MHz to 1.1 GHz, LO Frequency 550 MHz to 1.1 GHz, IF Frequency 10 to 90 MHz, Conversion Loss 8.5 to 10.5 dB, LO Drive - Power 13 to 16 dBm. Tags: Module with Connectors, Single Sideband Mixer. More details for SSB0511A can be seen below.