Deco M5 - Maximum Wifi Speed
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Dear TPLink Support,
I just purchased pack of 3 Deco M5 one week ago. Since to them, I have been noticed that all mobiles (Samsung Galaxy S10+ and S9+) are not being able to connect with the fastest speed as previous routers. The maximum link speed is 650 Mbps but mostly 585 Mbps, even 1 meter away from the router. Previous routers, one provided by internet provider Fiberhome and Linksys EA6700 same device was able to negotiate 866 Mbps speed.
Is there a limitation in Deco M5 which doesn't allow/support higher link speed?
Very disappointed since as soon as I move a little away from the router, the maximum speed is less than what I pay for my internet provided (400/200 Mbps).
I am not TP Link support, but I can share my experience.
What you have could be an issue between Samsung and TP-Link hardware. I just tested my Deco M5 with non-Samsung Android 9 smarpthone: when I sit in front of M5, just a meter away like you did, I am getting link speed 866 Mbps.
Also, not often but happens, I am getting same link speed when smartphone is connected to M9 Plus, with a bedroom door between them.
I am also getting 866 Mbps when I move 2 meters away and 4 meters away from M5, while it is still in direct sight. Did clean test by turning radio off/on at each of two locations.
I am lucky I do not have much interference from neighbours on 5Ghz, the strongest signal from them comes under -80dBm, which is considered weak.
Screenshot from my smartphone Network details screen:
