The T3-18G 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 8 to 13.5 dB, LO Drive - Power 15 to 27 dBm. Tags: Surface Mount, Module with Connectors, Thru Hole, Triple Balanced Mixer. More details for T3-18G can be seen below.