What is DM525 C/T2 CI slot?

Digital DVB-C/T2 receiver for HD TV- and radio programs Main features are the new Broadcom Processor, H.265 Streaming and a CI slot Physical specification: Ambient Temperature +15°C…+35°C Humidity < 80% Size (W x D x H): 260 mm x 150 mm x 45 mm Specifications Hardware Chipset Processor 2000DMIPS processor Perfomance 512 RAM 512 MB Flash Memory 512 MB Interfaces Interfaces 10/100 MBit/s compatible Ethernet Interface Common Interface slot 2 x USB 2.0 S/PDIF digital bitstream out USB service port What’s included in the box Dreambox DM525 with 1 x…