This is a document, teaching you to create a Nitendo game clone catridge, which contain interface to connect to modem, and software to load into the catridge to view internet contain on TV.

DTMB GB20600-2006 中国地面数字电视标准 3780点IFFT verilog 源代码-DTMB GB20600-2006 terrestrial digital TV standard 3780-point IFFT verilog source code