ats4dNHP Terasaki TemLogic 1 Mounting Panel 4D Tl101 Comms. Item No. ATS4D. Product Range: MCCB Basic Transfer Switch. Download product datasheet.ATS4D - RF Variable Attenuator from Cobham Snal & Control Solutions. Get product specifications, Download the Datasheet, Request a Quote and get pricing for ATS4D on