I'm sure it's out there, but can offer no other insight with the exception of some guys that offer packages for you to contact.

Lift Net
http://www.lift-net.com/

REMON G2 from CEC..
http://www.swiftcec.com/products/remon-g2.html

Check around I'm sure there are others that provide systems via ASDL, LAN, WAN, LON, CAN, Current LOOP, etc, etc...

It Don't mean a thing if it aint got that swing.

Cool, Free, Johnny Smith courtesy of NPR..HERE
http://www.npr.org/ramfiles/asc/asc25.smith.asx