TL-WA5210 is outdated. It supports only 802.11b/g, which was state-of-the-art 12 years ago. Even then it was designed for directional links, not for local distribution of the WiFi signal. As for...

Just did a quick check of firmware 2.1.12 Build 20180202 Rel. 58819, available here: https://www.tp-link.com/de/download/WBS510_V2.html#Firmware It installs fine on: - WBS210 v1.2 - CPE510 v1.1 -...

andrea1984 wrote Here is the link of the firmware: https://www.tp-link.com/it/download/WBS210_V1.html#Firmware I've a V1.2 hardware version. That's an outdated version. Try this one:...

andrea1984 wrote don't feel confident with this WBS210, the web interface is very slow. The firmware version I've installed is the last available for my country (Italy). Whatever firmware version...

What is expensive? Do you know EdgeRouter-X from UBNT? Cheap Debian Linux-based router < 45$, offers IPsec-based VPN (via web UI) and even OpenVPN (but only using command line interface).

The UBNT EdgeRouter-X does not provide PoE according to IEEE 802.3af. Its PoE ports offer passive PoE (24V) only, so you could power an EAP110, but not an EAP225 (at least, up to HW V2). Maybe V3 of...