The DTG-4B-1250 SQ from Crane Aerospace & Electronics is a Space Qualified RF Mixer with RF Frequency 1 MHz to 3.5 GHz, LO Frequency 1 MHz to 3.5 GHz, IF Frequency 1 MHz to 1 GHz, Conversion Loss 8 to 9.5 dB, LO Drive - Power 10 dBm. Tags: Surface Mount. More details for DTG-4B-1250 SQ can be seen below.