... design, meet your flexible demands.WIFI build-in and modules of1D barcode/2D barcode,LF/HF/UHF RFID, GPRS, ... )-supports offline data cache Environmental Protection Environmental SealingIP64Drop Test1.5 meters drop test on six sides Communication Interface COM ... 1900)WPAN(Optional)Bluetooth, class 2,transmitting range:3~5 meters Data Modules (Optional) RFIDRFID Frequency(LF) 125KHz/134.2KHzProtocol ...