@MwaItou If you need to use domain to access each other across the VLAN, need a mdns setting.

@justcurious Can you share the VLAN settings? Do you have default VLAN 1 and VLAN 40 settings together? If you use a PC connect to the VLAN 40 port and can it work fine? And do an ipconfig to see...

@slipperysloth Uhm...the Iperf test result is a little slow, maybe it's a defective device, you can share the result if you get an answer from support.

@55Trucker Hi, EAP225-outdoor is a good choice, check it: https://www.tp-link.com/business-networking/omada-sdn-access-point/eap225-outdoor/#overview

@PerHe What specific settings are you referring to? Is it Tools settings can not be saved? I'm experiencing the same issue, and it appears to be a normal behavior based on the design.

@Gregory76 There are lots of interferences on 2.4G band, try to set a separate SSID that only enabled 2.4G for these cams. Check the channel utilization and change different channels and channel...