Hardware Spec Index

Vantrel WR-3851 Ultra AX1800 Dual-band Wi-Fi 6 Router

Wi-Fi Routers · Vantrel · SKU WR3851-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index3,490 (Wi-Fi Routers scale)
Category rank#26,108
Street price$129
Power20 W
Performance per dollar27.05
Released2020

Specifications

BrandVantrel
ModelVantrel WR-3851 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
MeshEasyMesh compatible
Coverageup to 2,500 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-3851 Ultra AX1800 Dual-band Wi-Fi 6 Router”, https://vextor7.com/item/6583836 (accessed 2026-10-26).