Hmmm... its sad, that nobody had a suggestion or solution from tplink, for a 2 yo old routers problem.... But fortunatelly there are some third party fw-s... So is upgraded to Gargoyle fw, and my...

Well... now i found the setting that caused the problem: It is the WMM option in wireless advanced. I have this unchecked, because my Acer laptop freezes the router when WMM was enabled. (I read...

Yes, connected to the WR741 it connects with 11n. I did factory reset to the WR841, and now it works with 40MHz too. I wonder why this was happening, mostly because i did a backup of my settings...

Model : WR841ND Hardware Version : V10 Firmware Version : 3.16.9 Build 150310 Rel.55295n ISP : Hello, I just recognized, that my 1,5year old router does only use 20MHz bandwith, no matter that i set...

Model : Hardware Version : Firmware Version : ISP : Hello, I would to know, is it possible to use different antenna types on my WA901ND v2.1. I would to have wifi access in my garden too, i have...

So, accidentally i find a solution of my problem! The problem was the MAC Address Filtering. I had it on both on the wr340 router and on the wa730 extender. Then i disabled it in my router for other...