When you connect the power in the car, there may not be enough current to power the USB modem. Because of what the device cannot determine the modem. I recommend picking up power adapters more powerful. Different pros: After setting up the setup, the HUAWEI E150 and HUAWEI E1550 modems connected perfectly. As a mobile device, the device is excellent. There are no competitors for the price. I took for 820. Cons below: It is necessary to insist. The option "turned on and everything works" does not work.
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