http://www.amazon.com/Motorola-SURFboard-Gateway-SBG6580-Wireless/dp/B0040IUI46/ref=sr_1_32?s=pc&ie=UTF8&qid=1288921584&sr=1-32
1) Is this modem good for having an ISP of Comcast?
2) Does it have a phone jack input?
3) Do you recommend it for Comcast user?
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