The Dell Intel 7260AC Wireless Network Card, MPN 270R1 is a wireless networking module for adding Wi-Fi connectivity to a computer designed to use this card. Its listing identifies it as an HMC module, a detail relevant to the card’s form factor and installation interface.
The card is associated with IEEE 802.11ac, a wireless networking standard. It provides a way to connect a compatible computer to an 802.11ac wireless network; the listing does not specify further supported standards, performance figures or compatible computer models.