The Buffalo AirStation PoE Receiver (WLE-POE-R33) for the AirStation 3.3volt Access Points (Access Points) separates power and ethernet data from CAT5 LAN cable. Put the AirStation Access Points anywhere a CAT5 LAN cable can reach up to 300 feet. The WLE-POE-S, together with the WLE-POE-R33, are used with the 3.3 volt model access points (WBR-G54, WLA-G54, WLA-G54C, WLA2-G54, WLI-TX1-G54, WBR-B11).