Ivan says to 電訊台If you go for UBNT, the buy: - UBNT AP - RPi 4 (4GB or up) and SD Card - Mikrotik hAP ac or hEX or hEX S - Managed PoE switch, 48V or up each port Failed to meet the least requirements above will fail to power up the UBNT APs Also there will be extra settings needed before initialising the newly purchased AP at your local DHCP server and DNS server, see UBNT help article for "L3 adoption"at Thu, Sep 23, 2021 4:56 PM