Wireless QCNFA344A M.2 Form Factor Card. This card combines 802.11ac WLAN and Bluetooth 4.1+HS onto one card.

Reference Compatible with Dell Laptop Models:
Precision 15 (5510), 15 (7510), 17 (7710), 15 (3510), 3520, 7520, 5520, 7720, 7730,7530
Latitude E5570, 14 Rugged (5414), 3470, 3570, E5270, E5470, E7270, E7470, 5580, 7480, 5480, 7280, 5280, 13 (3380), 5285 Tablet, 5289, 3480, 3580, 7490, 5290, 5590, 7389, 7380, 3590, 12 Rugged Extreme (7212), 5490, 5591, 7290, 3390, 3490
Inspiron 13 (7359), 13 (5378), 17 (5765), 15 (5576), 15 (5579), 17 (5775), 13 (5379),Inspiron 5578, 17 (7773), 15 (7572), 14 (7472)
Acer Aspire V3-575

Specifications
Model: QCNFA344A /QCNFA344AH /NC23611030
Connector interface: NGFF M2 E and A Key M.2 Form Factor
System Interface Type: PCIe, USB
Antenna connector: IPEX 4 / iPX 4 Connector
Wireless data rate:
- 5GHz up to 867Mbps
- 2.4GHz up to 300Mbps
Streams: 2 x 2
Bluetooth: Bluetooth 4.1
Frequency: Dual Band 2.4GHz / 5GHz
IEEE Standard: IEEE 802.11 ac/a/b/g/n
Operating Systems: Windows 10/8.1/8/7 32/64-bit
Dimension (H x W x D ): 16 x 30 x 2.4 mm

Package Includes:
1x QCNFA344A M2 NGFF WLAN Adapter
1x Screws
1x Holder Bracket