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General| Device Type | Gateway |
|---|---|
| Model | B890 |
| Network Standards | IEEE 802.11b/g/n |
| LTE Frequency Bands | 800/900/1800/2100/2600 MHz |
| LTE Download Speed | 100 Mbps |
| LTE Upload Speed | 50 Mbps |
| Wi-Fi Standard | 802.11b/g/n |
| Ethernet Ports | 4 |
| USB Ports | 1 |
| Weight | 500 g |
| Network Technology | LTE |
| SIM Card Slot | Yes |
| Power Supply | 12V |
Overview of device appearance, including indicators and ports.
Explanation of icons displayed on the handset screen for status indication.
Step-by-step guide for inserting the USIM card into the router.
Instructions for connecting an external antenna to improve signal reception.
Procedure for installing the battery into the handset.
Diagram and explanation for connecting various cables to the router.
How to enable Wi-Fi on the router and what the indicator means.
Information on finding the default SSID and Wi-Fi key on the router's label.
Steps to connect a Windows PC to the router's Wi-Fi network.
Steps to connect a Mac computer to the router's Wi-Fi network.
Steps to connect an Android 4.0 device to the router's Wi-Fi network.
How to establish a Wi-Fi connection using the WPS feature.
How to make, answer, reject, and transfer calls using the handset.
Steps for creating and reading messages on the handset.
Guide to switching between input methods and entering text.
How to configure date, time, handset lock, PIN, PUK, and reset settings.
General safety guidelines for using the electronic device.
Precautions regarding interference with medical devices like pacemakers.
Safety warnings for using the device in areas with flammable or explosive materials.
Recommendations for suitable operating and storage environments.
Safety precautions related to children using the device.
Guidelines and warnings regarding the use of approved accessories.
Safety instructions for using the charger and power adapter.
Safety instructions for using the power adapter.
Important safety information and precautions for handling the device's battery.
Instructions for cleaning and maintaining the device and accessories.
Information about the availability and limitations of emergency calls.
Guidelines for the proper disposal and recycling of the device and batteries.
Information about trademarks, registered trademarks, and permissions.
Notes about potential variations in product features and specifications.
Legal disclaimer regarding the content and warranties of the manual.
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