WS-POE-USB-Kit iPad / Tablet Remote charger via Ethernet cable up to 328 ft
Use this kit to power any USB device like iPads or Tablets remotely, up to 328ft from the power source.   Can also be used with up to 12 devices from one power supply.   These devices send 24 volts on the ethernet cable, the splitter at the remote end lowers the voltage to 5v to operate the device.   USB and 30 pin iPhone connectors are included, it can also power 5 volt cameras, or any 5v device a a distance.  Great for Kiosk applications.