Here is the latest piece of hardware.
This board is the latest Hub board, The purpose of this board is to bridge the low powered wireless used by other devices like headsets and taggers to standard 802.11BGN to connect to a cloud hosted game server.
It also comes with a 1000mAh Lithium ion battery as well as onboard USB charging.
The processor has also been given a big upgrade over the last one now that it uses the ESP8266 which is a 32bit processor as opposed to the 8bit processor commonly found in Arduinos.
Currently it supports connecting to existing networks as well as creating it's own wireless network simultaneously so opens up the possibility of phone apps.