Portable Mixers DSLR Mixers Wireless Systems EFP & ENG UHF Wireless Systems Pro Series DSLR Wireless Full Duplex Systems Infrared Wireless Classroom IR Wireless Classroom Systems... 28, 2013 Infrared Wireless Classroom Systems Read More UHF Wireless Systems Posted by Azden Tech on Apr 28, 2013 330 Series System Combinations The 330 Series is a high quality... dual-channel UHF camera-mount wireless system that features 188 User-Selectable frequencies displayed on an LCD screen to assure you of always finding a free channel. The series...