lots of people do. AEM, Innovative Motorsports... there are alot of others too, i just cant remember them. MVPmotorsports.com has them in the Electronics sectoin of the Supra and in other places too.
I wasn't aware of many AFR suppliers that offer wireless connectivity. Here's a 3rd party outfit that makes a Bluetooth adaptor/converter for the Innovate Motorsports LM-1 AFR setup: