Huawei B681 quick start Trademarks and Permissions, Import and Export Regulations

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Copyright © Huawei Technologies Co., Ltd. 2012. All rights reserved.

No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.

The product described in this manual may include copyrighted software of Huawei Technologies Co., Ltd. and possible licensors. Customers shall not in any manner reproduce, distribute, modify, decompile, disassemble, decrypt, extract, reverse engineer, lease, assign, or sublicense the said software, unless such restrictions are prohibited by applicable laws or such actions are approved by respective copyright holders under licenses.

Trademarks and Permissions

, , and are trademarks or registered trademarks of Huawei Technologies Co., Ltd.

Other trademarks, product, service and company names mentioned are the property of their respective owners.

Notice

Some features of the product and its accessories described herein rely on the software installed, capacities and settings of local network, and may not be activated or may be limited by local network operators or network service providers. Thus the descriptions herein may not exactly match the product or its accessories you purchase.

Huawei Technologies Co., Ltd. reserves the right to change or modify any information or specifications contained in this manual without prior notice or obligation.

NO WARRANTY

THE CONTENTS OF THIS MANUAL ARE PROVIDED “AS IS”. EXCEPT AS REQUIRED BY APPLICABLE LAWS, NO WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE MADE IN RELATION TO THE ACCURACY, RELIABILITY OR CONTENTS OF THIS MANUAL.

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO CASE SHALL HUAWEI TECHNOLOGIES CO., LTD. BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, OR LOST PROFITS, BUSINESS, REVENUE, DATA, GOODWILL OR ANTICIPATED SAVINGS.

Import and Export Regulations

Customers shall comply with all applicable export or import laws and regulations and will obtain all necessary governmental permits and licenses in order to export, re-export or import the product mentioned in this manual including the software and technical data therein.

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Contents Getting to Know Your Device Application ScenariosScenario Indicators Indicator StatusAppearance Installation Installing the SIM CardOptional Using the Table Stand Optional Installing an External Antenna Optional Connecting to a TelephonePowering the Device On or Off Connecting to a ComputerConnecting to a Power Outlet Setting Up a Wireless Connection Turning the Devices Wi-Fi OnSetting Up a Wi-Fi Connection Method 1 Set up a Wi-Fi connection StepUsing the Web Management Accessing the InternetMode Description Restoring Factory Defaults Further TipsSafety Information Electronic DeviceMedical Device Potentially Explosive AtmosphereSafety of Children AccessoriesCleaning and Maintenance Operating EnvironmentPage Trademarks and Permissions Import and Export Regulations

B681 specifications

The Huawei B681 is a robust and versatile mobile broadband router designed for seamless internet connectivity, especially in areas where wired connections may be limited. Known for its reliability and performance, the B681 is ideal for personal and small business use, providing users with the capability to connect multiple devices simultaneously.

One of the standout features of the Huawei B681 is its support for 3G network connectivity. It is capable of receiving and transmitting data over HSPA+/HSPA/UMTS networks, ensuring users can enjoy high-speed internet access. With download speeds reaching up to 21.6 Mbps and upload speeds up to 5.76 Mbps, the B681 facilitates smooth streaming, efficient browsing, and stable communications.

The design of the B681 is both sleek and functional, featuring a compact form factor that allows for easy placement in any environment. Its user-friendly interface includes LED indicators for monitoring the status of power, wireless, and network connectivity, making it simple to manage and troubleshoot any connectivity issues.

Equipped with a built-in Wi-Fi access point, the Huawei B681 supports wireless connections for up to 32 devices. This makes it an excellent choice for households or small businesses with multiple users or devices needing internet access. The wireless standard supported is IEEE 802.11b/g, which ensures compatibility with most Wi-Fi-enabled devices, from laptops to smartphones.

The B681 also features advanced security protocols, including WPA/WPA2 encryption, ensuring that user data remains safe from potential threats. The router can be easily configured through its web-based management interface, allowing users to customize settings, manage connected devices, and monitor data usage effectively.

In terms of connectivity options, the Huawei B681 is equipped with Ethernet ports for wired connections, providing flexibility for devices that may require a more stable connection. The WAN/LAN port can also be used to connect to another network, acting as a bridge.

Overall, the Huawei B681 stands out as a reliable mobile broadband solution engineered to deliver high-speed internet access with ease of use and impressive connectivity options. Its blend of advanced technology, security features, and user-friendly design makes it a popular choice for users seeking a dependable mobile router.