Key Takeaway The three decisive numbers are port count and total PoE power budget, uplink speed, and management mode. The most common mistake in Hong Kong offices is an insufficient PoE budget (treating "power per port" as "total power"), followed by connecting Wi-Fi 7 access points over 1G-only uplinks. Also note that subscription-based licences (such as Meraki) disable the equipment's features once they expire, so subscription fees must be counted into the TCO before purchase. Key Comparison Standard Name Power Per Port Typical Use IEEE 802.3af PoE 15.4W Older VoIP...