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The Billion 7800DXL was the successor to the legendary 7800N and whilst both are/were very good 802.11n routers, wifi technology has moved on. 802.11ac is well established now, so yeah definitely worth upgrading to something better to make the most of your FTTC connection assuming most of your wifi clients support 801.ac wifi. If money isn't an issue & you're happy sticking with Billion, then consider Billion's flagship all-in-one router, the Billion 8900AX. It uses a newer Broadcom VDSL chipset (newer than your Huawei HG612) and high end 802.11ac radios (4x4) and you won't need your Huawei VDSL modem anymore. However if you prefer a 2 box solution (ie want to keep using your Huawei modem), then consider something like the Netgear R7800, as its arguably the best router for wifi though its not magic or anything.
A wifi mesh system is also an option but it might be overkill for you as you state your existing 7800DXL already gives you good range, just the speeds aren't very good.
Having said all this, if your wifi clients are mostly 802.11n then before splashing out on a new router, see if it makes any difference changing the wifi channels to a manual channel on the 7800DXL. Often the routers have 'auto' as channel no. setting which sometimes get stuck on the wrong (congested) channel, use something like Acrylic wifi to determine the least congested channels in your environment. |
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