DELL QCNFA222 802.11a/b/g/n M.2 Wi-Fi adapter

Dell M.2 Wi-Fi adapter for legacy wireless networks

The Dell QCNFA222 is an M.2 wireless adapter that supports 802.11a/b/g/n standards. It uses an Atheros chipset and carries part numbers 4K380 and 04K380. This card adds Wi-Fi connectivity to compatible laptops or desktops with an M.2 slot.

Suits repairs on older Dell systems needing

It fits machines that require the older 802.11a/b/g/n protocol and an M.2 interface. Buyers needing newer Wi-Fi standards such as 802.11ac or 802.11ax should look elsewhere. Systems without an M.2 slot cannot use this adapter.

The 802.11a/b/g/n rating decides compatibility

This single specification determines whether the card matches the wireless network you intend to join. If your router or access point operates only on newer standards, this adapter will not connect. Verify the required protocol before purchase.