ats4dThe ATS4D from CAES is a RF Variable Attenuator with Frequency 2 to 4 GHz, Attenuation Range 60 dB, Insertion Loss 2.5 dB, Supply Voltage 5 V. Tags: Module with Connectors,ATS4D - RF Variable Attenuator from Cobham Snal & Control Solutions. Get product specifications, Download the Datasheet, Request a Quote and get pricing for ATS4D on