Wis09abgn Driver Windows 10 File

Q: Is the Wis09abgn a 5GHz adapter? A: Some variants support 5GHz, but most original Wis09abgn adapters are 2.4GHz only (802.11b/g/n). Check your hardware specs.

Q: Why does my Wis09abgn work on Windows 7 but not Windows 10? A: Windows 10 dropped support for the old NDIS 5.1 driver model. You need a newer NDIS 6.0 compatible driver, which the Ralink RT3070 v5.0+ driver provides. wis09abgn driver windows 10

Q: Can I use a generic Mediatek driver? A: Yes. MediaTek now owns Ralink. The MediaTek MT7601 or RT2870 drivers often work universally. Q: Is the Wis09abgn a 5GHz adapter

Q: My adapter is detected but scanning for networks is very slow. A: This is a known issue. In Device Manager > Wis09abgn Properties > Advanced tab: Try different USB port (prefer USB 2


  • Try different USB port (prefer USB 2.0 vs USB 3.0 if adapter is old) or a powered USB hub.
  • Use Device Manager → Uninstall device (check "Delete driver software for this device" if reinstalling) then scan for hardware changes or replug adapter.
  • Install vendor-supplied utility (some adapters require their WLAN utility rather than Windows' native Wi‑Fi interface).
  • Before diving into drivers, it is critical to understand what you are looking at.

    The string "Wis09abgn" is not a brand name; it is a hardware ID alias used by generic USB 2.0 Wi-Fi adapters. Specifically, this ID corresponds to a Ralink RT3070 or RT5370 chipset.

    In short: Wis09abgn is your Wi-Fi adapter. If the driver is missing, you cannot connect to wireless networks, even if Ethernet works fine.