The FN-D-KXL1-24123 from ETL Systems is a Block Downconverter with Input RF Frequency 20 to 21.2 GHz, Output RF Frequency 950 MHz to 2.15 GHz, LO Frequency 6.55 to 12.5 GHz, P1dB 12 to 15 dBm, Gain 5 to 35 dB. More details for FN-D-KXL1-24123 can be seen below.