CobraNet is all about audio interoperability. Definitely can run audio between CobraNet devices of disparate manufacture. We're providing a common transport for control data but we're not looking to force any control interoperability on the industry. We are beta-testing this software now. CobraNet licensees booths at the NSCA show.
Historical buildings are difficult to run wire in.
Some of our licensees and end users have experimented with wireless networks. I attempted wireless some time back. I haven't had good reports about 802.11 for CobraNet. The bandwidth through that is unpredictable. We've heard some good first reports on some proprietary higher bandwidth systems.