... of EM Microelectronic Marin SAEM4095 chip(FDX-B), compatible with Unique ID card(Read only),animal tags,Hitags(R/W),optional ... /1GB Flash,Expansion Memory:4G TF (standard), maximum 32GInterfaces: USB 2.0, RS232Physical characteristicsScreen: 3.2" QVGA backlight TFT- ... QXGA6. All alphanumeric keypadStandard Accessories4,000 mAh Li-ion battery, Usb cable, RS232 serial cable, Touch stylus, 4G microSD (TF) ...