The ARRIS SB6183 Cable Modem incorporates the DOCSIS 3.0 technology, which helps bond up to 16 downstream channels and four upstream channels. This model supports IPv4 and IPv6 standards. It is suitable for streaming HD videos and online gaming.
This is pre-owned and works great. It's in the original box. $25
If you see this posting online, then it's still available.
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