This is a 125m non-terminated aqua outdoor duplex fiber patch cable. An OM4 cable has a core size of 50m microns that supports 10 Gigabit Ethernet at lengths measuring up to 550 meters, and 100 Gigabit Ethernet measuring up to 150 meters and is reverse compatible with OM3. This outdoor cable is perfect for precise process control, ensuring excellent tensile strength and environmental performance that can be constructed without switching off the power. Our patch cables are 100% compliant for all of your networking needs. Our products are guaranteed by federal law to not affect or void OEM warranties.