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Forum Discussion
Solved
Fast LAN/Slow Wifi on XR450
Hello, I have a XR450 wifi router connecting to the Arris modem provided by Spectrum. I checked and compare the speed on various sites. When I test my computer by hooking up wired LAN, the speed is ...
I finally found out the reason!
I didn't setup 2Ghz and 5Ghz radio frequency separately. Now when I connect to the 5Ghz one, I got over 200Mbps. With the 2Ghz, it is only 50Mbps at best. Didn't think that it is not automatically switch radio.
Thank you for all your helps.
More information:
- I tested on wired/wifi (Arris Modem TM1602A provided by Spectrum/XR450) on various devices (Laptop, Galaxy Tab S4, Iphone 8, Samsung S9, Macbook Pro 2018) run on both 2.4 and 5.0 Ghz
- Firmware version V2.3.2.56 (Up to date as it stated)
- Ipv6 disabled
- 9 Neighbour wifi around
- Beamforming and MIMO and WMM enabled.
- Channels Auto
Updated:
- Interesting thing is I ran the Wizard Setup on XR450 and it perceived the down speed is 213.5 Mbps. Also confirmed with Spectrum representatives that their test speed on Modem also around 210 Mbps.
- However, the real speed tested on multiple devices I mentioned are still 40 Mbps down for Wifi, and 90 Mbps down on wired modem itself. Up is around 11 Mbps on both.
- Spectrum asked me if I want a technician to come to take a look. If there is no issue on their end, they will charge $50. I refused because it is ridiculous.
Do you guys have any idea? The Netgear XR450 wifi router perceived the speed is 213.5 Mbps down, but real speed is much slower on both modem (wired) and XR450 router (wireless).
Modem screenshots