Hello Sir/Madam -- I believe this problem is not new, but I've never been able to figure out the exact rules for it, so please bear with me. I bought a new TPLINK A7 WiFi router -- henceforth just...

Much thanks. I've used 2 to 3 WiFi monitors and the A20 signals were the best of all -- typically in -40 to-60 dBMs. I just do not understand why it cannot connect to ANY device, or if connected,...

Hello Mr Ivaylo, Per your instructions, I performed the steps accordingly and attach 5 relevant screenshots: - the first 2 are Internet Speed Tests from within the TPLINK A20 in ADMIN Login mode. I...

Thanks for response -- yes, I am very sure that was my only change, adding guest networks. I tried something in the interim: I recycled power on the ISP's modem (never did this before). When...

Hello -- sincerest thanks for reply and suggstions. I would like to add the ff. that did not appear in my original post: 1 - when I connect using WIRED (Ethernet Cat6 cable) everything runs top speed...

Hello, Please help me with this very weird and sudden turn of events. I have a C4000 A20 (long range) WiFi router, purchased and installed Oct 20,2020. It has functioned perfectly and reliably for...