... li-ion polymer battery (3.7 V/4,000 mAh)Expansion slots: SIM/SAM, Micro SD (TF) cardIndicator: LEDInput method: touch input ... (Optional) Baud rate: 9600, 19200, 38400, 43000, 56000, 57600, 115200SAM slots: maximum 2GPS (Optional) Module: u-blox NEO-5Q Performance: 50 ...