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Small green circuit board with gold edge connector and black antenna sockets

DELL

DELL Inspiron Mini Duo 1090 Atheros WB195 Wi-Fi adapter MX44D

SKU CH-BHYK-J66S5

Half-height Mini Card adds 802.11n Wi-Fi up to 270 Mbps and Bluetooth to the Inspiron Mini Duo 1090

  • TypeM.2 Wi-FI Adapter
  • Genuine Dell OEM part ensures exact fit for Inspiron Mini Duo 1090
  • Combined Wi-Fi and Bluetooth reduces need for separate adapters
  • 11n draft support delivers up to 270 Mbps wireless speed
  • PCI Express Half Mini Card interface matches laptop slot specification
  • Compatible with Windows 7 32-bit and 64-bit operating systems

Genuine Dell OEM Wi-Fi Card for Inspiron Mini Duo

This is a genuine Dell OEM wireless adapter, part number MX44D, built for the Inspiron Mini Duo 1090. It combines Atheros WB195 Wi-Fi and Bluetooth in a single half-height mini card. The module installs directly into the laptop's existing slot. It restores original wireless performance for that specific model.

Half-height mini card with PCI Express interface

The card uses a PCI Express Half Mini Card form factor that fits the factory socket without modification. Its Atheros chipset delivers both 2.4 GHz Wi-Fi and Bluetooth functionality in one compact module. Installation reuses the original antenna cables and mounting screw. No extra brackets or adapters are required for the supported chassis.

802.11a/b/g/n up to 270 Mbps on 2.4 GHz

The adapter supports IEEE 802.11a, b, g and n standards with a maximum link rate of 270 Mbps on the 2.4 GHz band. It handles WPA and WPA2 pre-authentication for secure connections. Driver support covers Microsoft Windows 7 in both 32-bit and 64-bit editions. Buyers needing 5 GHz operation or newer Wi-Fi standards should choose a different card.

Highlights

  • Genuine Dell OEM part ensures exact fit for Inspiron Mini Duo 1090
  • Combined Wi-Fi and Bluetooth reduces need for separate adapters
  • 11n draft support delivers up to 270 Mbps wireless speed
  • PCI Express Half Mini Card interface matches laptop slot specification
  • Compatible with Windows 7 32-bit and 64-bit operating systems

Specifications

BrandDell
TypeM.2 Wi-FI Adapter

Questions about this item

What PCI Express Half Mini Card interface does the MX44D use?

The MX44D plugs into a PCI Express Half Mini Card slot inside the Inspiron Mini Duo 1090 and runs at 2.4 GHz with 802.11n speeds up to 270 Mbps.

What physical slot and antenna connectors does the MX44D need?

It fits a half-height Mini Card slot and uses the laptop's two built-in antenna leads for 2.4 GHz Wi-Fi and Bluetooth.

How do I install the MX44D in the Inspiron Mini Duo 1090 and what step is often missed?

Power off, remove the bottom cover, insert the card into the Mini Card slot, screw it down, snap both antenna cables onto the gold posts, then enable the device in Windows 7 32-bit or 64-bit Device Manager.

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