Robert Benson a Pro Snapper from San Diego has a range of wireless monitor solutions that work with DSLR cameras. Coming out this month is a Pro Monitor setup that will have nearly a 1.6 kilometer / 1 mile range transmitting video and audio, with an eight hour battery life and four channels. Price will be about $575.
using Marshall and DSLR Wireless Monitor with Canon 5D Mark ll from Joe Mealey on Vimeo.
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