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New 900Mbps Fibre with very slow Disc speeds

andywils — Sat, 09 Aug 2025 13:22:57 GMT

Recently got Fibre with 900Mbps up and 110 down.

Near the hub, get nearly 700Mbps up and 110 down....great.

Installed two BT Complete Wi-Fi Discs (Black ones) and both have blue lights. Standing right next to them, and can only achieve roughly 60-70Mbps up and 20Mbps down. Surely i would expect to see at least 200+.

Have put the disc closer to the Hub, and made sure i was connected to the disc, and still the same speeds.

When i connect an ethernet cable to the back of the disc, i get over roughly 170Mbps, which is better, but would have thought i would get over the 250Mbps.

Tried looking to see if i could force the backhaul to 2.5Ghz and clients to use the 5GHz, but it doesn't look like you can configure these Disc's.

Any ideas what i could do to help increase the speeds when connected to the disc?

Thanks in advanced.

Re: New 900Mbps Fibre with very slow Disc speeds

Kodikid — Sat, 09 Aug 2025 15:05:53 GMT

The discs raison d'etre (excuse my French) is to extend the wifi signal and not to increase speed.

Those speeds you're currently getting definitely fall in the "v good " wifi strength category

Re: New 900Mbps Fibre with very slow Disc speeds

andywils — Sat, 09 Aug 2025 22:12:29 GMT

Thanks for your reply Kodikid.

Agree with that the discs only extend your signal. But, should be getting a lot on throughput that I am receiving.

feels a bit pointless upgrading to fibre to only get the speeds I was getting with normal FTTC 😔 in other rooms other than the one where the hub is in.