Ubiquiti's UACC-LRE is an outdoor Gigabit Ethernet adapter which establishes long-range connections between PoE switches and devices. The unit features 2x Gigabit Ethernet ports. Port one receives 802.3af/at PoE input while port two provides PoE passthrough for distances up to 1km when making use of multiple adapters. The unit also offers 10kA+ surge protection and works reliably in extreme temperatures to protect your deployment from weather and electrical damage. *Note: This device does not support MTU's larger than 1500. If making use of jumbo frames across the device, it will not work.