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Question

wifi near sbg6900 only gives 15% speed

  • February 20, 2026
  • 2 replies
  • 7 views

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Arris router sbg6900-ac delivers only 45 mbps Wi-Fi on laptop placed next to it while cable connected desktop to the same router gives 340 mbps. What’s causing this much degradation of WiFi signal? Thanks in advance. 

2 replies

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Could you please confirm your subscribed internet speed plan and the name of your Internet Service Provider?

Also, as you mentioned that you are getting speeds above 300 Mbps on a wired (Ethernet) connection but only around 50 Mbps on Wi‑Fi, please clarify which Wi‑Fi network you are using for the speed test — the 2.4 GHz network or the 5 GHz network.


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  • Author
  • The Many
  • February 24, 2026

Appreciate your response and apologize for missing key detail: subscribed internet plan is Wowway 300 MBPS. 2.4 GHz network gives 30 MBPS & 5 GHz gives 50 MBPS. I have tried to changed channel - that hasn’t helped. Wowway said, you should be getting at least 100 MBPS on 2.4 GHz Wifi. Wowway had no other solution to offer. Thanks for your interest.