The FN-D-KXL1-24121-K5 from ETL Systems is a Block Downconverter with Input RF Frequency 17.3 to 18.4 GHz, Output RF Frequency 950 MHz to 2.05 GHz, LO Frequency 16.35 GHz, P1dB 12 to 15 dBm, Gain 5 to 35 dB. More details for FN-D-KXL1-24121-K5 can be seen below.