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How do I know which modem to get?

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What's the difference between all these modems?  Don't they all do the same thing?

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Best answer by Where the Wild Pings Are 27 May 2022, 18:27

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Where the Wild Pings Are
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The general term for modem is modulator-demodulator, so on a basic level they do. However,  purchasing the wrong modem can limit the speed of your network because ISP’s have different speed tiers and not all modems are rated to work with all speed tiers. So, it is recommended to check out your ISP’s approved modem list to see what speed tiers the modem your interested in is rated for. 

plemans
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going off what @Where the Wild Pings Are said, I’d also watch for docsis 3.1 devices. Many of the isp’s are dropping the speed tiers of what docsis 3.0 devices support. So even if a docsis 3.0 device currently supports your speeds, if the ISP drops their support speed for it, you’d need to upgrade. so if you’re debating on it, its better to go with a little more capabilities versus “just enough” if its the difference from 3.1 to 3.0. 

Current setup: Netgear CM3000-->Netgear RBE973S-->2.5gig tp-link switch, Xfinity 1.4gig/240mbps
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