I believe so, though the one you have pictured is xarmor's backlit version. They don't make the wifi version w/backlighting AFAIK.
I didn't like the xarmor keyboard I had, but everyone has a bad experience to tell about, I guess. The major con is that their support kind of sucks, but you should double check where their real contact site is. It used to be
http://www.xarmor-usa.com/, but now that's some weird page about African gold. If you go this route the keyboard should be labeled as Qumax/X-armor or Ione, though I never confirmed if they were the same company.
Someone posted a couple days ago about a new bluetooth board, but I haven't seen much about it.
http://geekhack.org/showthread.php?31416-KBTalking-Pro-Wireless-Bluetooth-wired-mechanical-keyboardYou could always go the mod route and put your own transmitter into a board:
http://geekhack.org/showwiki.php?title=Island:10371Xarmor has its critics, and I'm one of them, but if you're set on mechanical, it should be fine for what you need it for.