Hardware Spec Index

Lumora WR-4278 XT AX5400 Dual-band Wi-Fi 6 Mesh System (3-Pack)

Wi-Fi Routers · Lumora · SKU WR4278-XT · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index9,270 (Wi-Fi Routers scale)
Category rank#37,541
Street price$729
Power49 W
Performance per dollar12.72
Released2019

Specifications

BrandLumora
ModelLumora WR-4278 XT
Wi-Fi standardWi-Fi 6 (IEEE 802.11ax)
Speed classAX5400 (sum of per-band PHY rates)
BandsDual-band (2.4 / 5 GHz)
Spatial streams2×2 + 4×4
Max channel width160 MHz
Modulation1024-QAM
Multi-Link Operation (MLO)Not supported
WAN port1 Gbps RJ45
LAN ports1× 2.5 Gbps + 3× 1 Gbps
SecurityWPA3, WPA2
Mesh3 nodes, dedicated wireless backhaul
Coverageup to 14,100 sq ft

Related guides

Wi-Fi 6 vs Wi-Fi 6E vs Wi-Fi 7 ComparedWi-Fi 7 (802.11be) ExplainedWi-Fi 6E Explained2.5GbE, 5GbE and 10GbE Networking

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Cite this page: Hardware Spec Index, “Lumora WR-4278 XT AX5400 Dual-band Wi-Fi 6 Mesh System (3-Pack)”, https://vextor7.com/item/54775026 (accessed 2026-10-25).