Hardware Spec Index

Vantrel WR-3781 Ultra AX1800 Dual-band Wi-Fi 6 Mesh System (3-Pack)

Wi-Fi Routers · Vantrel · SKU WR3781-ULTRA · Released 2021 · Updated 2026-10-27

Key facts

Benchmark index3,185 (Wi-Fi Routers scale)
Category rank#28,312
Street price$119
Power20 W
Performance per dollar26.76
Released2021

Specifications

BrandVantrel
ModelVantrel WR-3781 Ultra
Wi-Fi standardWi-Fi 6 (IEEE 802.11ax)
Speed classAX1800 (sum of per-band PHY rates)
BandsDual-band (2.4 / 5 GHz)
Spatial streams2×2 + 2×2
Max channel width80 MHz
Modulation1024-QAM
Multi-Link Operation (MLO)Not supported
WAN port1 Gbps RJ45
LAN ports4× 1 Gbps
SecurityWPA3, WPA2
Mesh3 nodes, dedicated wireless backhaul
Coverageup to 7,500 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, “Vantrel WR-3781 Ultra AX1800 Dual-band Wi-Fi 6 Mesh System (3-Pack)”, https://vextor7.com/item/1969860 (accessed 2026-10-27).