AT&T 340U

NETGEAR Beam 340U 4G LTE AirCard USB Mobile Broadband Modem

Model: 340U

Brand: AT&T

Introduction

The AT&T Beam 340U is a versatile 4G LTE USB mobile broadband modem designed for high-speed internet access. It offers fast LTE speeds, features a useful display, and includes a microSD card slot for expanded storage. This manual provides essential information for setting up, operating, and maintaining your device.

Package Contents

Upon opening the package, you should find the following items:

NETGEAR Beam 340U 4G LTE AirCard USB Mobile Broadband Modem

Image: The NETGEAR Beam 340U modem, a compact black USB device with a small display showing signal strength and data usage. It features a swivel USB connector for flexible positioning.

Setup

SIM Card Installation

The NETGEAR Beam 340U requires an active AT&T Standard size SIM card for operation. The SIM card is not included with the device. You will need to contact AT&T to acquire your complimentary SIM card, which is typically provided free with the activation of an account.

System Requirements and Installation

The modem is designed for plug-and-play functionality. It supports the following operating systems:

Upon plugging the device into a USB port, it may initially present itself as a storage device. For proper functionality, it must be switched to a serial device. While newer Linux kernels may handle this automatically, the 340U may not be pre-configured in some usb-modeswitch-data databases, potentially requiring manual configuration for Linux users.

Operating Instructions

Connectivity and Speed

The modem supports download speeds up to 100Mbps and upload speeds up to 50Mbps, leveraging AT&T's 4G LTE network. Ensure you are within an AT&T LTE coverage area for optimal performance.

Network Frequencies

The modem supports the following frequency bands:

It also features 2x2 MIMO antenna ports for enhanced signal reception.

MicroSD Card Slot

The device includes a microSD card slot, supporting cards up to 32 GB, allowing for portable storage.

Integrated Display

A small display on the modem provides useful information, such as signal strength and data usage. For Windows 8 users, it also integrates with live tiles.

Maintenance

To ensure the longevity and optimal performance of your NETGEAR Beam 340U modem, follow these maintenance guidelines:

Troubleshooting

General Connectivity Issues
Operating System Specific Issues
Network Compatibility

This device is unlocked and compatible with GSM carriers that use SIM cards for service, such as AT&T and T-Mobile, as well as GSM SIM cards from providers like H20 and Straight Talk. It will not work with CDMA carriers that do not use SIM cards for service, such as Sprint, Verizon, Boost, or Virgin. Always contact your network provider prior to purchasing for verification of compatibility.

Power Source

The NETGEAR Beam 340U is a plug-and-play device and does not require a separate battery. It draws power directly from the USB port of your computer or compatible USB hub.

Specifications

BrandAT&T (Manufactured by NETGEAR)
Model Number340U
Connectivity TechnologyUSB
Supported Networks4G LTE, UMTS, GPRS/EDGE
Frequency BandsGPRS/EDGE: 850/900/1800/1900MHz; UMTS: 850/1900/2100MHz; LTE: Bands 2, 4, 5, 17
Max Download SpeedUp to 100Mbps
Max Upload SpeedUp to 50Mbps
MicroSD Card SupportUp to 32 GB
Operating System SupportWindows 8, 7, Vista, XP (32/64bit); Mac OS 10.8+; Ubuntu Linux 9.04
Item Weight1.91 ounces
Product Dimensions (LxWxH)1.97 x 0.46 x 2.58 inches
ColorBlack

Warranty and Support

For warranty information and technical support, please contact AT&T customer service or visit the official NETGEAR support website. Specific warranty terms and conditions may vary and are typically provided at the time of purchase or available through the manufacturer's official channels.

For AT&T support, you can visit their official website or contact their customer service line. For NETGEAR product support, refer to the support section on netgear.com/support.