Вот ещё важная информация от ACODO.
1) What is the max current provided via USB port for memory flash not WiFi USB? Is it possible to connect portable 2,5 inch external hard disc?
--- It is impossible to connect 2.5 inch portable external hard disc. Because the drive current is not enough.
The max current of USB is 500mA, it can not drive 2.5inch hard disc.
2) Which 3G modems works with DTG? What is the procedure to run 3G modems?
--- Below 3G modems are suitable for DTG models. Insert SIM card into your 3G modem, then insert your 3G modem to our device’s USB slot, it will automatically access to internet. HUAWEI E1750 ZTE-MF668A HUAWEI E261 ZTE-MG3732 HUAWEI E176G HUAWEI E153 ZTE-MF637U HUAWEI E173 ZTE-MF-190 ZTE MF100 HUAWEI E160E HUAWEI E1550 HUAWEI E1552 3) Is it another WiFi dongles working with DTG?
--- Yes, all of the chip drive which used RTL8188 can suitable for our DTG models.