said by Thordrune:343 without factoring in overhead, 304 with. It mentions it right below where you looked .
The Zoom 5341J also goes up to 343 with its 8x4 channel bonding.
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www.zoomtel.com/products ··· iew.htmlI think they should make the 305 available on the coax plant as well but for a lower monthly price and the $1.99 change of service fee if we pick the modem up at the office.
I also think the modulation also affects the speed. Our area is 256 QAM downstream and 64 QAM upstream.
Edit: I did not see 304 mentioned but a properly engineered HFC plant could achieve 305 by splitting larger nodes, ditching analog TV, declaring all D2 modems end of life (since D3 manages network resources better), adopting switched digital video, eliminate as much ingress as possible.
I also heard that DOCSIS 3.1 is possibly in the cards.