I meant that the title says: "... Wireless Backup...". I thought it is wifi. Maybe I misunderstood.
BTW, I check the both sides of the board, I can't find anything remotely like a rt2870 wifi chip. Maybe it cannot do wifi after all.
BTW, I check the both sides of the board, I can't find anything remotely like a rt2870 wifi chip. Maybe it cannot do wifi after all.