Do TV satellite receivers need to be upgraded? Upgrade there?
Cottage set-top box signal is directly turned off, upgrade useless
The dream company's DM500, dm800 and other models, you can through the LAN (routers and computers and receivers) or serial upgrade
Different set-top box upgrade in different ways, like a copycat DVB set-top box (six free) only through the serial brush machine, digital, Yihua, Chinese, and other nine plane, is to upgrade the data receiving satellite transponders sent by air upgrades, while hd520, H9, D2S and other HD machine type, can interface with USB U disk upgrade.
