The X1T-03-301 from Pulsar Microwave is a RF Mixer with LO Frequency 1 MHz to 1 GHz, IF Frequency 1 MHz to 1 GHz, Conversion Loss 7.5 dB, LO Drive - Power 13 dBm, P1dB 7 dBm. Tags: Surface Mount, Triple Balanced Mixer. More details for X1T-03-301 can be seen below.