The T3-20 from Marki Microwave is a RF Mixer with RF Frequency 10 to 20000 MHz, LO Frequency 10 to 20000 MHz, IF Frequency 1 to 10000 MHz, Conversion Loss 12.5 dB, Operating Temperature Tested at +25°C. Tags: Surface Mount, Triple Balanced Mixer. More details for T3-20 can be seen below.