I used this with my new AT&T fiber optic internet service which I installed in December 2019. I need to reach speeds of up to 300 Mbps and I'm getting over it. The engineer who installed the service told me he's never seen anyone use their own gateway. I'm not sure why because this thing works great. It worked right away and I haven't had any problems during the last month of running it. This saves me $10 a month in hardware. I highly recommend it.
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