Zebra RFD8500 UHF RFID Sled is a UHF sled used to empower select Zebra and compatible third-party mobile devices, tablets, and smart phones with enterprise-class UHF RFID and 1D/2D bar code scanning technology. Just pair this Bluetooth-enabled sled with your mobile device and attach the mobile device to the Zebra RFD8500 for a single-handed RFID reader solution - or put the mobile device in a pocket or holster and use the Zebra RFD8500 in standalone mode.