I am an IT specialist. Bought to replace a rented communist modem. When Comcast set it up, it didn't work, and they gave lame excuses that this modem wouldn't work for their service (which was utter nonsense). Since I was dealing with an inexperienced Comcast tech who didn't know anything, I hung up, called back, and another tech set it up. After setup, the modem applies a series of updates, which takes about 45 minutes before you can access the Internet (for the first time). They'll ask you if "your lights are still on" once they set up the modem on their end, but you'll have to wait. So keep that in mind when setting it up. Don't let Comcast fool you. This is the same modem they use. Except that it's white and has better stats than their black one. As for the modem itself, I have a two-story house and a basement. The modem is upstairs in my office and I have no problem accessing the internet anywhere in the house (solid bars on the 2nd and 1st floors). Being in the basement makes me lose the wood, but that's because it's a soundproof basement. Maybe I'll set up an access point in the basement in the future. PS: If you are a gamer, streamer or just a casual user, this router is perfect for you! ZERO problems for over a year.
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