The Buffalo AirStation PoE Supply combines power and Ethernet data over a CAT5 LAN cable and is required for all AirStation PoE solutions. Put an AirStation Access Point anywhere a CAT5 LAN cable can reach. The WLE-POE-S device delivers power to the WLE-POE-R33. Thus, the following products work with the WLE-POE-S: WBR2-G54S WLA2-G54C WLA2-G54L WLI3-TX1-G54 Neat and Clean AirStation Installation No remote power cable installation Economical Auto Attenuation