The SWF-G1S-CX-117-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 4.4 to 34.4 dB, Image Rejection 60 dB, Phase noise -112 to -70 dBc/Hz. Tags: Rack Mount. More details for SWF-G1S-CX-117-xxxx can be seen below.