Mobile Device as Universal Remote

Griffin Technology Inc., one of the world’s foremost creators of innovations for everyday life, and Dijit Media, a San Francisco-based software company, have partnered to create Beacon™ Universal Remote Control System, a wireless AV controller,that, when paired with an iOS device, uses your iPhone, iPad or iPod touch to control everything in your home entertainment system without networking.Beacon connects compatible iOS device via Bluetooth with Dijit’s free Universal Remote Application, iOS device’s MultiTouch screen display becomes the remote with Dijit’s Intuitive Program Guide, allowing users to change channels, volume, input, program DVR and much more. 

Dijit Application uses a constantly updated device code library to make setting up controls for TV, set-top box, sound system, media player and more.This is powered by 4 AA batteries, eliminating messy wires and power cables.
source:www.forcetoknow.com