iM2-UART-4P
Chipset	Fintek F81504 (PCI Express Bridge to Quad Serial Port), Fintek F81439 (Buffer/Transceiver Series)
I/O Interface	4 x Internal RS-232/422/485: pin header (2x5 pin, P=2.0)
Operating Temperature	0°C ~ 60°C
Storage Temperature	-30°C ~ 70°C
Humidity	5% ~ 95%, non-condensing
Dimensions (LxWxH) (mm)	22mm x 80mm
Net Weight	GW: 100g / NW: 50g
Safety & EMC	CE/FCC compliant
M.2	M.2 B/M key 3042 (PCIe gen3 x1 signal)
Form Factor	M.2 B Key + M Key card