I have made this project and I am using a 2.4Ghz wireless CCTV camera for this, I want to use something that can send video to a mobile device or even the internet. Not sure if I am asking the question in the right forum, but worth a try I guess.
http://www.ingenstech.com/projects/virtual-security-home/
http://www.ingenstech.com/projects/virtual-security-home/