The FN-D-L1F2-24404AA-XXXX from ETL Systems is a Down Converter with RF Frequency 70 to 140 MHz, IF Frequency 0.85 to 3.15 GHz, Conversion Gain 5 to 35 dB, Image Rejection 60 dB, Phase noise -112 to -70 dBc/Hz. Tags: Rack Mount. More details for FN-D-L1F2-24404AA-XXXX can be seen below.