Pompton Plains, NJ - Jun 15, 2010 - Zaxcom has received a U.S. patent for the company's virtual wireless multitrack recording systems. Patent Number 7,711,443 covers the Zaxcom TRX family of digital wireless systems with built-in backup recording.

The optional patented internal timecode-referenced audio recorder in a TRX system backs up all wireless transmissions on a removable microSD. A wide feature set is available, including support for reception of IFB audio, timecode and remote control signals.