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Barracuda 3G USB MODEM M11 - Quick Start Guide

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Thank you for purchasing the Barracuda 3G USB modem that conveniently provides support for wireless broadband communication using 3G/UMTS/HSDPA/HSUPA technologies. The modem 

supports bandwidths up to 7.2 Mbps and thus provides a cost effective alternative to xDSL and ISDN uplinks or failover lines. 

Note: SIM card is not included and has to be obtained independently through your cell phone provider.

Packaging Content:

•  One USB Modem
•  One USB Cable
•  One External Antenna
•  One Quick Start Guide

Please contact Barracuda Networks Support if any of these items is missing.

Overview:

1. 

SIM Tray

2. 

SIM Tray Lock (open SIM Tray by pressing the lock with a pen)

3. 

USB Interface

4. 

Headphone Jack

5. 

LED 1 (green)

6. 

LED 2 (red)

7. 

SMA Antenna Interface

Modem Specifications:

The Status LEDs: 

Your Barracuda 3G USB modem is equipped with two status LEDs that indicate the operational 

state of the modem by changing between off, slow blinking, fast blinking, and steady glow-

ing. The table below shows the different meanings of the different glowing states: 

Getting Started 

1. 

Open the SIM card tray by carefully pressing on the tray lock that is situated next to the 

tray, ideally by using a pen. Remove the SIM card tray and place the SIM card in the tray.

USB Modem:

Frequencies (MHz)

GSM 850/900/1800/1900 

UMT S850/1900/2100/ S2100

Output Power

Class4 (+33dBm ±2dB) for EGSM900

Class 1 (+30dBm ±2dB) for GSM1800

Class E2 (+27dBm ± 3dB) for GSM 900 8-PSK

Class E2 (+26dBm +3 /-4dB) for GSM 1800 8-PSK

Class 3 (+24dBm +1/-3dB) for UMTS 2100, WCDMA FDD BdI

Supported Data Transmission

HSUPA, HSDPA, 3G, UMTS, EDGE

SIM Interface

3VDC 6 pin

Power Supply

5 VDC via USB Interface

USB Interface

USB 2.0

Dimensions (LxWxH mm)

71 x 49 x 20 

Net Weight (g)

150

Operation Temperature

-20 °C to +65 °C

Certifications

FCC, CE, ROHS

Antenna: 

Interface

SMA

Frequency Range (MHz)

800-2800

Input Impendence (Ohm)

50

Gain (dBi)

3.5 

Polarization Type

Vertical

Radiation Direction

Omnidirectional

VSWR

<1.5

Max. Input Power (W)

50

Length (mm)

174

Cable Length (mm)

3000

LED 1

LED 2

State

Meaning

-

RED

Steady

SIM card missing, no PIN set, not 

in provider net, ERROR

GREEN

-

Blinking

Successful Wireless WAN connec-

tion with provider established

GREEN

-

Fast Blinking

Data transfer using Wireless WAN 

uplink

GREEN

RED

Blinking

Successful EDGE connection with 

provider established

GREEN

RED

Fast Blinking

Data Transfer using EDGE  

uplink

1

2

3

4

5

7

6

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