zebra-rfd4031-g10b700-e8 The RFD40 UHF RFID Premium Plus Sled empowers workers in the retail, hospitality and healthcare industries to work more efficiently. It optimizes cycle-counting with industry-best RFID performance and an integrated 1D/2D barcode imager. Integrated Wi-Fi allows for OTA device management. Bluetooth and NFC tap-to-pair make it easier than ever to connect to current and future Zebra mobile computers and third-party smartphones. The RFD40 sled delivers industry-best read performance at 1300+ tag reads per second, an optimized read range, and an increased 7000 mAh battery capacity that decreases time spent on cycle counting and inventory. Workers can charge the sled and mobile computer at the same time and easily switch between different Zebra mobile computers.