I chose 753 because we have AT&T 500Mbps fiber. The setup was "plug and play". Download the app, scan the code and you're done. Our line goes into the main router in our basement and I have a satellite on each floor that covers my whole house with ease. I placed a satellite near the back door and my entire yard is also covered. It comes with a 30-day Armor subscription. Seems ok but I haven't contacted them and don't know if I'll pay for an annual plan. I am very happy with this system.
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