If you want to do this, shoving an MDBT42, RN2483, and a 3.3v power supply on a board would only take a few minutes. There's very little circuitry required.
A lot of what's on there seems to be for (I guess) an Arduino-compatible processor - but all that would be built into the MDBT42.
Not strickly on topic: the puck.js can do this with the right carrier board for RF (possible need for more power reserve)
(I do not name motion sensor (( oops)) )
And everything takes time so there is no rush as such.
The open hardware isn't open yet so I have no idea what is powering this node of things.
https://shop.thethingsnetwork.com/index.php/product/the-things-node/ price is 70 euros plus vat (ouch)
Edit: no bluetooth visible in spec, but there seems to be an unpopulated copper area that looks a bit familiar. may be wifi, I can only guess
Edit: no copper area in the https://www.thethingsindustries.com/products/hardware pics.
Edit: http://forum.espruino.com/comments/13535822/ probably on this pic
I probably mount the puck on the other side and play with it at some time when I get a setup for test done. (I have two green boards I bought from a nice Beligium guy on ebay)