The T3-20G from Marki Microwave is a RF Mixer with RF Frequency 10 MHz to 18 GHz, LO Frequency 10 MHz to 18 GHz, IF Frequency 1 MHz to 10 GHz, Conversion Loss 7.5 to 14 dB, LO Drive - Power 15 to 27 dBm. Tags: Surface Mount, Module with Connectors, Thru Hole, Triple Balanced Mixer. More details for T3-20G can be seen below.