Thursday, August 9, 2018

The Strange David and Goliath Saga of Radio Frequencies

The wireless mic systems used by countless schools, churches, theaters, and other venues, are about to become obsolete, all because the telecom companies muscled in. https://ift.tt/2Mxk3D1 support@endlesssupplies.ca (Endless Supplies .Ca) August 09, 2018 at 07:30AM

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