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