The T3-12MQP from Marki Microwave is a RF Mixer with RF Frequency 0.01 to 12 GHz, LO Frequency 0.01 to 12 GHz, IF Frequency 0.001 to 4 GHz, Conversion Loss 7.5 to 12 dB, LO Drive - Power 17 to 27 dBm. Tags: Module with Connectors, Two Tone Terminator Mixer. More details for T3-12MQP can be seen below.