For device "TL-SG108E" (Link): What is the difference between hardware versions from V1 through V5 ?

Could any professional reply to this please?

@Solla-topee Hi Solla, Could you please reply to the above?

@Solla-topee Thanks for your reply. Solla-topee wrote @Nn7 May I verify your network stretch again? Is it like below? Is there any switch in this network? ISP modem (LAN)---(WAN) ISP router...

@Solla-topee Thanks for your reply. Yes, I mean Access Control. That's discouraging, I never thought that Access Control would be disabled in AP mode. Archer C7 has separate "Access Control" for...

The Archer C7 is in AP Mode. I noticed that the WiFi MAC Filter definitions which I set for it in Router Mode are ignored. Moreover, in AP Mode the option to use the WiFi MAC Filter is disabled! It...