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The Netgear CM1000 is a DOCSIS 3.1 cable modem rated for download speeds up to 1 Gbps. It was the first DOCSIS 3.1 modem certified by CableLabs, and it also works on older DOCSIS 3.0 service. It is a plain modem with no built-in Wi-Fi router, so it suits people who already have a separate router and want to stop renting a modem from their cable provider. Against rivals, it is a single-purpose device: no phone port, no Wi-Fi, and no multi-gig port, so it fits gigabit plans but not faster ones.
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Lowest price we've seen: $179.00 on Nov 13 at PC Richard & Son. Tracked across 14 stores since Nov 13.
Owners generally find the CM1000 reliable on gigabit cable plans and easy to activate with their provider. Complaints center on its age and its single gigabit port rather than on performance.
The Netgear CM1000 is a DOCSIS 3.1 cable modem that connects to a cable Internet service at speeds up to 1 Gbps. It is CableLabs Certified and meets DOCSIS 3.1 specifications. It is also backward compatible with DOCSIS 3.0 networks, so it works with both DOCSIS 3.0 and DOCSIS 3.1 cable providers.
For DOCSIS 3.1 connections, it uses 2 OFDM downstream and 2 OFDM upstream channels. For DOCSIS 3.0 connections, it uses 32 downstream and 8 upstream channels. A Gigabit Ethernet port with auto-sensing technology connects to a router or computer.
Owning the modem means you do not pay a monthly equipment rental fee to your Internet provider. It works with XFINITY from Comcast, including Gigabit, Blast and Extreme plans, and XFINITY customers can self-activate it online. It is not compatible with cable bundled voice services. Installation does not require a CD.
