Multi-Tech Systems F2, MTCBA-G-F1 manual Electrical Characteristics, Antenna/RF Specifications

Page 7

 

 

 

 

 

Chapter 1 – Product Description and Specifications

Electrical Characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electrical Characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

Switching the GSM modem on/off

The device is permanently powered (when connected to the power

 

 

 

 

 

 

 

supply).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Voltage Range

Voltage range : 5 to 32V DC

 

 

 

 

 

 

 

 

 

 

 

 

 

GND : 0V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Over voltage and Under voltage

Correct operation of the Wireless MultiModem in communication mode is

 

 

 

not guaranteed if input voltage falls below 5V.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input/output electrical characteristics for external connections

 

 

 

 

 

 

 

 

Parameters

 

GSM/GPRS 850/900

 

GSM/GPRS 1800/1900

 

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Typ.

 

 

 

Typ.

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

 

 

 

 

 

 

 

 

Input Supply Voltage

 

5

 

13.2

 

5

13.2

32

 

 

V

 

 

 

Input peak supply current in comm. mode at Pmax

1

 

.4

.2

 

1

.4

.2

 

 

A

 

 

Input average supply current in comm. mode at

360

 

150

75

 

300

125

70

 

 

mA

 

 

 

Pmax

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

Input average supply current in idle mode

30

 

10

 

30

10

10

 

 

mA

 

Antenna/RF Specifications

 

GSM 850

EGSM 900

Frequency RX

869 to 894 MHz

925 to 960 MHz

Frequency TX

824 to 849 MHz

880 to 915 MHz

RF Power Stand

2W at 12.5% duty cycle

2W at 12.5% duty cycle

Impedance

50 ohms

 

VSWR

<2

 

Typical Radiated Gain

0 dBi on azimuth plane

 

 

GSM 1800

GSM 1900

Frequency RX

1805 to 1880 MHz

1930 to 1990 MHz

Frequency TX

1710 to 1785 MHz

1850 to 1910 MHz

RF Power Stand

1W at 12.5% duty cycle

1W at 12.5% duty cycle

Impedance

50 ohms

 

VSWR

<2

 

Typical Radiated Gain

0 dBi on azimuth plane

 

Multi-Tech Systems, Inc. MultiModem GPRS Wireless Modem User Guide

7

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Contents MultiModem Gprs Trademarks and Logos MultiModem Gprs User Guide Wireless ModemS000304M, Revision M Copyright Revision History Revision Date DescriptionContents RF Interference Issues Product Description SpecificationsSafety General SafetyPackage Contents Installation Instructions for Hazardous LocationsVehicle Safety Maintenance of Your ModemMode Description SpecificationsFunctions GSM Modes Antenna/RF Specifications Electrical CharacteristicsLEDs RS232 15-Pin Connector PinoutAT Command Information InterfacesActivate Your Wireless Account Activation InstallationInsert the SIM Card into the Holder Antenna Hook up the Antenna, Serial Cable, and PowerPower Optional Attach the Modem to a Flat Surface Requirements Install the Modem DriverVerifying That Your Modem Has Been Installed Successfully IntroductionPhone Numbers for the Wireless Modem Using Your Wireless ModemExamples of Useful AT Commands Answering a Circuit-Switched Data CSD Connection Establishing a Circuit-Switched Data CSD ConnectionEstablishing a Voice Call Using Short Message Services SMS Send an SMS message to another SMS compatible device SMS ExamplesUsing Your Wireless Modem Connecting to the Gprs Network for Internet Access Internet AccessCreate Your Dial-Up Connection in Windows XP/2003 Disconnecting the ConnectionMobile PhoneTools Solutions for no carrier message Troubleshooting Frequently Asked QuestionsTroubleshooting Examples Solutions for ‘no connection through serial link’ situationFrequently Asked Questions How do I send an SMS message to an email account? Data Cable Diagram No Voice Wireless Modem Reference InformationReference Information Reference Information Repair Procedures for International Customers Appendix a Warranty and RepairsMulti-Tech Warranty Statement Repair Procedures for U.S. and Canadian CustomersReplacement Parts Repair Procedures for International DistributorsJuly
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