The 310-027122-001 from Spectrum Control is a Down Converter with RF Frequency 2000 to 18000 MHz, LO Frequency 3000 to 17000 MHz, Conversion Gain 10.5 dB, P1dB -3 dBm, Spurious -45 dBc. Tags: Surface Mount. More details for 310-027122-001 can be seen below.