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I have a restaurant that is 6 mile away and offers free wifi. No idea what I mad doin. Which antenna will be able to pick this up.

Yes that seems correct to me. I m installing a similar omnidirectional 6-watt outdoor repeater on TV mast to get a laundery met and hair salon open-free wifi within 7-city blocks me. Roku, etc, would the from the business to house be Modem - router/Access Point - amplifier - Surge Protector - parabolic antenna - 6855 ft - parabolic antenna - SP - amplifier- Router/repeater - wifi to computer. Park wifi is within 7 miles. Help pleaseI m trying to get wifi 6855 feet from my business to my house.