... TF (standard), maximum 32GInterfaces: USB 2.0,RS232Application Software: Internet Explorer, Media Player, Chainway AppCentrePhysical characteristicsScreen: 3.2" QVGA ... 5-meter drop test on six sides (concrete floor, under operating temp)Rolling survive: 1,000 times, 0.5 meter, ... 2005&2008 or higher.Software Development Kits (SDK) providedRFID (UHF)Operating frequency: 865~869 MHz (ETSI EN 302 208) or ...