Westermo GDW-11 Specifications

Reliable Data Communication via GSM NetworksAUDIN - 8, avenue de la malle - 51370 Saint Brice CourcellesTel : 03.26.04.20.21 - Fax : 03.26.04.28.20 -

10 www.westermo.comExample of Yagi aerialAntennasA whip antenna is the most common example of a monopole antenna, an antenna with a single driven elem

GSM modemGSM modem for US marketAUDIN - 8, avenue de la malle - 51370 Saint Brice CourcellesTel : 03.26.04.20.21 - Fax : 03.26.04.28.20 - Web : http:

12 www.westermo.comGSM 900/1800 MHz …Extended temperature …range –25°C to +50°C (–13 to –122°F)GPRS, class B, class 10 …DTR triggered …-dialling and

13www.westermo.comGDW-11 485GSM modemThe GDW-11 485 is a GSM/GPRS modem designed for industrial applications that can be used on 900 and 1800 MHz GSM

14 www.westermo.comGSM 850/1900 MHz …UL approved …Extended tempe- …rature range–13 to –122°F …(–25°C to +50°C)GPRS, class B, class 10 …Built in TCP/I

15www.westermo.comTechnical DataPowerRated voltage 12 to 36 VDCOperating voltage 10.8 to 39.6 VDCRated current GDW-11 350 mA @ 12 VDC 150 mA @ 24 V

16 www.westermo.comRS-422/485 GDW-11 485Electrical specification EIA/TIA-485 ITU V.11 2-wire or 4-wire twisted pairData rate 1200 bit/s – 115.2 kbit/s

17www.westermo.comType tests and environmental conditionsElectromagnetic CompatibilityPhenomena Test Description LevelESD EN 61000-4-2 Enclosure conta

18 www.westermo.comAccessories3615-0001 GDW-11 900 / 1 800 MHz, Data, Fax, SMS, TCP/IP, RS-232 3615-0030 GDW-11 / 485 900 / 1 800 MHz, Data, Fax, SMS,

Westermo your only provider of Industrial Data Communications!Westermo offers a very wide product range, please visit our website for more detailed i

Produced by: Westermo Teleindustri ABPhoto: IStockphoto BildN, Västerås, Sweden Illustrations: Visual Information Sweden AB Eskilstuna, SwedenPrinted

REV 1.1-2007-10SwedenWestermo Teleindustri AB SE-640 40 Stora Sundby, Sweden Phone: +46 (0)16 42 80 00 Fax: +46 (0)16 42 80 01 [email protected] www.we

The GSM-series: The natural choice for reliable GSM applications in harsh environmentsWestermo GSM-modems allow all kinds of serial equipment to com

4 www.westermo.comThe Westermo GD-Tool provides two ways to congure our GSM/GPRS modems. AT commands can be entered into a ter-minal window or the us

5www.westermo.comGSM (Global System for Mobile communication)Connection time between GSM modems is 4 – 8 seconds (using the V.110 protocol).GSM makes

6 www.westermo.comCell structuresBase stations are positioned to give maximal coverage. The area covered by a base station is called a cell. The entir

7www.westermo.comCircuit Switched Data A CSD connection makes it possible to transfer serial data at speeds from 300 bit/s up to 14.4 kbit/s dependin

8 www.westermo.comGPRS GPRS is an extension of GSM network where packet switching data trafc is supported. With GPRS each channel that is not busy wi

9www.westermo.comGPRSInternetISP?GPRSReliable Radio TransmissionThe GDW-Tool has a very useful feature when it comes to installation of the system wit