Hardware Spec Index

Lumora WR-3781 Ultra AXE5400 Tri-band Wi-Fi 6E Router

Wi-Fi Routers · Lumora · SKU WR3781-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index6,864 (Wi-Fi Routers scale)
Category rank#32,400
Street price$499
Power38 W
Performance per dollar13.76
Released2023

Specifications

BrandLumora
ModelLumora WR-3781 Ultra
Wi-Fi standardWi-Fi 6E (IEEE 802.11ax)
Speed classAXE5400 (sum of per-band PHY rates)
BandsTri-band (2.4 / 5 / 6 GHz)
Spatial streams2×2 + 2×2 + 2×2
Max channel width160 MHz
Modulation1024-QAM
Multi-Link Operation (MLO)Not supported
WAN port2.5 Gbps RJ45
LAN ports1× 2.5 Gbps + 3× 1 Gbps
SecurityWPA3 (required on 6 GHz), WPA2 on 2.4/5 GHz
MeshEasyMesh compatible
Coverageup to 3,900 sq ft

Related guides

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

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Cite this page: Hardware Spec Index, “Lumora WR-3781 Ultra AXE5400 Tri-band Wi-Fi 6E Router”, https://vextor7.com/item/6251403 (accessed 2026-10-23).