reciever side schematics

[chungerz]

I seen a transmitter schematics available on line for the bit char-g. Is there one available for the reciever side (car)? I found several reference design for the various chipset that is used in these cars. But they all deviate from the reference design.

I am trying to mod the transmitter/reciever pair inorder to run up to 12 vehicles at the same time. (please save the FCC talk, I know all about it. The transmitter will be broadcasting with very low power, I am only looking for a range of 5-6 feet)

If anyone has done this, or have the schematics available, please post or e-mail me at chsiehhu@ucla.edu. I am an EE student, these cars are going to be a part a of larger project.

thanks in adavnce, sorry for the long post.