Hundreds of automatic garage doors in the Ottawa area have suddenly and strangely stopped working, due to a powerful radio signal that appears to be interfering with their remote controls.
The Door Doctor has received more than 100 calls from irate customers who can't operate their doors using the remote. It installs Liftmasters, one of the most popular door openers in North America, which operates by radio frequency.
The signal is transmitted on the 390-megahertz band, which is used by virtually all garage door openers on the continent.
It's the same frequency used by the U.S. military's new state-of-the-art Land Mobile Radio System.
The Door Doctor has received more than 100 calls from irate customers who can't operate their doors using the remote. It installs Liftmasters, one of the most popular door openers in North America, which operates by radio frequency.
The signal is transmitted on the 390-megahertz band, which is used by virtually all garage door openers on the continent.
It's the same frequency used by the U.S. military's new state-of-the-art Land Mobile Radio System.
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