Description Toshiba DDCD3- Digital Door Phone Control Box Adds up to 3 Door Phones – Requires one DKT Port – Strata DK or CTX/CIX Systems The Strata CTX/CIX systems support up to 8 DDCB3 Door Phone Control Boxes Each DDCB3 Supports up to 3 MDFB Door Phones which allows for up to 24 total MDFB Door Phones Each DDCB3 can provide a door lock control relay in place of one of the Door Phones Refurbished with 1 year warranty call 888-557-5888!
