TL-WA901ND v3 WiFi Max Tx Rate not correct

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TL-WA901ND v3 WiFi Max Tx Rate not correct

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TL-WA901ND v3 WiFi Max Tx Rate not correct
TL-WA901ND v3 WiFi Max Tx Rate not correct
2015-04-28 21:17:42
Region : UnitedKingdom

Model : TL-WA901ND

Hardware Version : V3

Firmware Version : 3.16.9 Build 141030 Rel.47420n

ISP : n/a


This morning I upgraded my TL-WA901ND v3 access point to the newest firmware. After doing so, the WiFi Max Tx Rate has reduced.

I have configured the access point with a 20MHz channel width and with Short GI enabled. Before the firmware upgrade, this resulted in a correct Max Tx Rate of 144Mbps. After the upgrade, it has dropped to 130Mbps, which corresponds to a Long Guard Interval.

I have tried toggling the "Enable Short GI" checkbox on and off, but the Max Tx Rate remains unchanged at 130Mbps.


The router settings are currently:

Status page
Wireless subsection





























Operation Mode: Access Point
Wireless Network Name: [redacted]
Channel: 6
Mode: 11n only
Channel Width: 20MHz
Max Tx Rate: 130Mbps
MAC Address: 14-CC-20-[redacted]


The "Enable Short GI" checkbox is ticked on the Wireless Advanced page.

Any one have any idea what's wrong?

Could this be a regression in the latest firmware?

Thanks.

JM
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Re:TL-WA901ND v3 WiFi Max Tx Rate not correct
2015-04-29 17:29:05
Also tried changing to a 40MHz channel width. Max Tx Rate was reported as 300Mbps, which is correct for Short GI (would have been 270Mbps otherwise).
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#2
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Re:TL-WA901ND v3 WiFi Max Tx Rate not correct
2015-04-30 15:05:05
You shoulde use 40MHz as channel width. The network is secured with WPA2-PSK, AES?
Did you change any other settings? Can you reset it to factory defaults and check the Max Tx Rate?
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#3
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Re:TL-WA901ND v3 WiFi Max Tx Rate not correct
2015-04-30 15:37:48

Tony Seaford wrote

You shoulde use 40MHz as channel width. The network is secured with WPA2-PSK, AES?Did you change any other settings? Can you reset it to factory defaults and check the Max Tx Rate?
I intentionally use 20MHz channel width to be considerate in a crowded wi-fi neighbourhood. I'm content with only getting about half of the 300Mbps the unit is capable of. I'm just puzzled about the drop from 144Mbps to 130Mbps.Yes, it's WPA2-PSK with AES (not that this should have any effect on wi-fi speeds)I'm pretty sure the firmware update reset the unit to defaults, as I had to reconfigure it from scratch afterwards. I can try that again though.
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