I farm in a rural area of SW Utah. I rely on my Motorola M-800 digital GSM bag phone, a yagi directional antenna and a Cyfre booster. My service provider is Alltel. Verizon purchased Alltel and must sell off a number of it’s customers as part of the deal. I am pretty sure that I will be one of those customers. I point my yagi at an Alltel tower in Enterprise, UT some 30 miles away. I get a signal and all is as good as can be expected.
I am pretty sure that AT&T will pick me up as a new customer as part of the deal. AT&T uses GSM as did Alltel and that seems OK but they do not offer a telephone with external connections to attach my yagi antenna and booster. I cannot find a telephone anywhere that can do this except the Motorola M-800. Is it likely that AT&T will support my phone? Do you know of another phone that can hook up a yagi and booster? Will I need to reprogram my phone and or change chips, if available.
I am trying to stay ahead of the curve on this as my phone is vital for my safety and business. Any help would be appreciated.

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