Hardware Spec Index

Tessarix WA-9981 Ultra Wi-Fi 6 M.2 Card (2,402 Mbps)

Wi-Fi Adapters · Tessarix · SKU WA9981-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index3,953 (Wi-Fi Adapters scale)
Category rank#19,948
Street price$149
Power3 W
Performance per dollar26.53
Released2019

Specifications

BrandTessarix
ModelTessarix WA-9981 Ultra
Wi-Fi standardWi-Fi 6 (IEEE 802.11ax)
Form factorM.2 2230 (Key E) module
Max PHY rate2,402 Mbps (5 GHz, 160 MHz, 2×2)
Bands2.4 / 5 GHz
Max channel width160 MHz
Modulation1024-QAM
MLONot supported
BluetoothBluetooth 5.2
Antennas2× IPEX MHF4 (antennas not included)
OS supportWindows 11, Linux (kernel 6.x)

Related guides

Wi-Fi 6 vs Wi-Fi 6E vs Wi-Fi 7 ComparedWi-Fi 7 (802.11be) ExplainedWi-Fi 6E Explained

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Cite this page: Hardware Spec Index, “Tessarix WA-9981 Ultra Wi-Fi 6 M.2 Card (2,402 Mbps)”, https://vextor7.com/item/13099136 (accessed 2026-10-24).