HUAWEI EM820W HSPA+ PC Embedded Module

Appendix B Acronyms and

Hardware Guide

 

Abbreviations

 

 

 

 

 

Acronym or Abbreviation

Expansion

 

 

 

 

 

 

NTC

negative temperature coefficient

 

 

 

 

PBCCH

Packet Broadcast Control Channel

 

 

 

 

 

PCB

printed circuit board

 

 

 

 

 

 

PDU

protocol data unit

 

 

 

 

 

 

PMU

Power manage Unit

 

 

 

 

 

 

RF

radio frequency

 

 

 

 

 

RoHS

Restriction of the use of certain Hazardous

 

 

Substances

 

 

 

 

 

 

RTC

real-time clock

 

 

 

 

 

SIM

Subscriber Identity Module

 

 

 

 

TTL

transistor-transistor logic

 

 

 

 

TVS

transient voltage suppressor

 

 

 

 

VSWR

voltage standing wave ratio

 

 

 

 

Issue 01 (2010-12-31)

Huawei Proprietary and Confidential

42

Copyright © Huawei Technologies Co., Ltd.

 

 

Page 49
Image 49
Huawei EM820W manual Ntc, Pbcch, Pcb, Pdu, Pmu, Rtc, Sim, Ttl, Tvs, Vswr

EM820W specifications

The Huawei EM820W is a cutting-edge mobile broadband device that exemplifies Huawei's commitment to innovation and excellence in the telecommunications sector. Designed for seamless connectivity, the EM820W caters primarily to users who demand high-speed data access while on the move.

One of the standout features of the Huawei EM820W is its support for high-speed 4G LTE connectivity. With download speeds that can reach up to 150 Mbps and upload speeds of up to 50 Mbps, users can enjoy smooth streaming, rapid downloads, and responsive online gaming experiences. This capability makes the device an ideal choice for both individual users and business professionals who rely on robust internet access.

The EM820W is equipped with a compact and lightweight design, making it highly portable. This device can be easily carried in a pocket or bag, allowing users to stay connected wherever they go. Its plug-and-play feature simplifies the setup process, ensuring that even those who are not tech-savvy can easily get online.

Another notable aspect of the Huawei EM820W is its compatibility with a wide range of operating systems, including Windows, macOS, and various distributions of Linux. This versatility means that users can connect the device to their preferred platforms without facing compatibility issues, enhancing the overall user experience.

The device also incorporates advanced security features to safeguard user data, including built-in encryption protocols. This is particularly important for business users who require secure connections for sensitive transactions and communications.

In addition to its connectivity capabilities, the EM820W showcases energy-efficient technologies that optimize battery performance. The device is designed to consume minimal power, allowing users to prolong usage times without frequently recharging.

The Huawei EM820W comes with a user-friendly interface, enabling users to easily manage their connections and monitor data usage. This feature is valuable for those who need to track their internet consumption to avoid exceeding data limits imposed by service providers.

With its blend of speed, portability, and user-oriented features, the Huawei EM820W stands out as a reliable solution for those seeking robust mobile broadband capabilities. Whether for personal use or professional needs, this device ensures that users remain connected in an increasingly digital world.