M.2 controller card (M2 NGFF)
  4 RS232 ports
ASIX AX99100 CHIPSET
Use :
Mounts on the M.2 port of laptop PCs (M or B+M), PCIe type (not suitable for M2 SATA type ports)
Compatibility:
Windows XP, Vista, 7, 8,8.1,10 - Linux.
M2 card in 2280 format, suitable for slots 2280 and 22110.
Specifications:
ASIX AX99100 CHIPSET.
PCI Express base spec 1.1 compatible.
Compatible with PCI power management 1.2.
a/bus mastering for each serial port.
128-byte FIFO.
9,8,7,6 and 5-bit "data framing".
Automatic Xon/Xoff flow control.
For M.2 B or B+M Key port (PCIe type only).
CE, FCC, RoHS, and Microsoft WQHL certification.
Operating environment from 0 to 70°C.
M.2 controller card (M2 NGFF)   4 RS232 ports ASIX AX99100 CHIPSET Use : Mounts on the M.2 port of laptop PCs (M or B+M), PCIe type (not suitable for M2 SATA type ports) Compatibility: Windows XP, Vista, 7, 8,8.1,10 - Linux. M2 card in 2280 format, suitable for slots 2280 and 22110. Specifications: ASIX AX99100 CHIPSET. PCI Express base spec 1.1 compatible. Compatible with PCI power management 1.2. a/bus mastering for each serial port. 128-byte FIFO. 9,8,7,6 and 5-bit "data framing". Automatic Xon/Xoff flow control. For M.2 B or B+M Key port (PCIe type only). CE, FCC, RoHS, and Microsoft WQHL certification. Operating environment from 0 to 70°C.