The unit is fairly straightforward. After plugging in and install the equipment works usually perfectly. In some places, however, the connection with HSDPA is ever despite coverage failed or aborted. Sometimes then had to be restarted to reconnect the computer. The documentation is quite thin. eg is nowhere explained neither in the attached document still on the website of 4G Systems the color code of the built-in light-emitting diode (LED). On Demand has the support but quickly within 10! Minutes per mail sent the codes that I also want to deprive anyone here:
Colorful flashing = Network Search Red flashing = SIM problem Steady light = Internet connection, which Green = HSPA Blue = UMTS Violet = EDGE Yellow = GPRS
