The SIDC-6000 Series from FEI-Elcom Tech, Inc. is a Down Converter with RF Frequency 500 MHz to 26.5 GHz, IF Frequency 70, 140 or 160 MHZ, Conversion Gain 42 dB, Image Rejection 70 dB, Phase noise -140 to -68 dBc/Hz. Tags: Rack Mount. More details for SIDC-6000 Series can be seen below.