Markertek News Channel coverage of the new professional wireless transmitters and microphones from Azden corporation. Products covered include the 105 series high quality UHF camera-mount wireless system which features 92 user-selectable frequencies to assure you of always finding a "free" channel, the 305 and 325 series dual-channel UHF camera-mount wireless systems that features 188 user-selectable frequencies and the broadcast quality 1200 series true diversity professional wireless receivers.