Hardware Spec Index

Lumora WR-3891 Ultra AX6000 Dual-band Wi-Fi 6 Mesh System (3-Pack)

Wi-Fi Routers · Lumora · SKU WR3891-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index9,800 (Wi-Fi Routers scale)
Category rank#46,481
Street price$899
Power52 W
Performance per dollar10.90
Released2020

Specifications

BrandLumora
ModelLumora WR-3891 Ultra
Wi-Fi standardWi-Fi 6 (IEEE 802.11ax)
Speed classAX6000 (sum of per-band PHY rates)
BandsDual-band (2.4 / 5 GHz)
Spatial streams4×4 + 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 15,000 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-3891 Ultra AX6000 Dual-band Wi-Fi 6 Mesh System (3-Pack)”, https://vextor7.com/item/6773161 (accessed 2026-10-19).