DMCCA DOCSIS Modem Carrier Card Assembly The Blonder Tongue DMCCA (DOCSIS Modem Carrier Card Assembly) is a DOCSIS 3.0 compliant modem card specifically designed for modem expansion slots of LG model STB-3500 set-top-boxes used in hotel guest room applications. The neatly integrated solution gives operators a clean cost effective means to deliver IP OTT and interactive guest services over traditional coaxial RF systems. DOCSIS 3.0 Compliant Modem Card Designed for LG Model STB-3500 Set Top Boxes Cost-effective solution for application in: Hotel Guest Rooms Cruise Ship Cabins