Huawei E397 Appearance - Get to Know Your E397 Modem
Take a look at the following figure which shows the appearance of the Huawei E397 USB Stick. You would quickly getting know your Huawei E397, including the buttons, indicators and slots for E397 4g devices.
1 Rotatable USB ConnectorIt connects the USB Stick to a PC.
2RF Output Power PortIt connects an RF cable to the USB Stick for RF tests.
3 IndicatorIt indicates the status of the USB Stick.
Green, blinking twice every 2s: The USB Stick is powered on.
Green, blinking once every 0.2s: The software of the USB Stick is being upgraded.
Green, blinking once every 2s: The USB Stick is registering with a 2G network.
Blue, blinking once every 2s: The USB Stick is registering with a 3G/3G+ network.
Cyan, blinking once every 2s: The USB Stick is registering with a LTE network.
Green, solid: The USB Stick is connected to a 2G network.
Blue, solid: The USB Stick is connected to a 3G network.
Cyan, solid: The USB Stick is connected to a 3G+/LTE network.
Off: The USB Stick is removed.
4SIM/USIM Card SlotIt holds a Subscriber Identity Module (SIM)/Universal Subscriber Identity Module (USIM) card.
5ButtonPress the button to turn over the USB connector, as shown in the following figure.
6 microSD Card SlotIt holds a microSD card.
For increasing signal strength, you could buy an external antenna for Huawei E392
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