Sell Hot Selling Wieless USB Serial GSM GPRS Industrial Modem

详情

USB or Serial interface,dual-band or quad-band,AT command, SMS MMS VOICE CALL FAX OPEN AT.
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Hot Selling Wieless USB Serial GSM GPRS Industrial Modem

This GSM Modem can accept any GSM network operator SIM card and act just like a mobile phone with its own unique phone number. Advantage of using this modem will be that you can use its RS**2 port to communicate and develop embedded applications. Applications like SMS Control, data transfer, remote control and logging can be developed easily.

The modem can either be connected to PC serial port directly or to any microcontroller. It can be used to send and receive SMS or make/receive voice calls. It can also be used in GPRS mode to connect to internet and do many applications for data logging and control. In GPRS mode you can also connect to any remote FTP server and upload files for data logging.

This GSM modem is a highly flexible plug and play quad band�GSM modem for direct and easy integration to RS**2 applications. Supports features like Voice, SMS, Data/Fax, GPRS and integrated TCP/IP stack.

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Applications

• SMS based Remote Control & Alerts
• Security Applications
• Sensor Monitoring
• GPRS Mode Remote Data Logging

Features

• Highly Reliable for *4x7 operation with Matched Antenna�
• Status of Modem Indicated by LED
• Simple to Use & Low Cost
• Quad Band Modem supports all GSM operator SIM cards

Our Package Includes

• GSM Modem - Assembled & Tested (1 Year Warranty)�
• Serial Cable
• GSM Antenna

Quick Start

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� Insert SIM card: Press the yellow pin to remove the tray from the SIM cardholder. After

properly fixing the SIM card in the tray, insert the tray in the slot provided.

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� Connect Antenna: Screw the RF antenna if not already connected.

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� Connect RS**2 Cable to PC/MCU: (Cable provided for RS**2 communication)

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o Default baud rate is *****0 with *-N*1, no hardware handshaking.

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� Connect the power Supply (*2V 1A) to the power input of board. Polarity should be Center

+ve and outer �ve DC jack.

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� Network Led indicating various status of GSM module eg. Power on, network registration &

GPRS connectivity.

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� After the Modem registers the network, led will blink in step of 3 seconds. At this stage you

can start using Modem for your application.

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� AT commands can be sent to control GSM Modem

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For example

For sending SMS in text Mode:

AT+CMGF=1 press enter

AT+CMGS=�mobile number� press enter

Once The AT commands is given� >� prompt will be displayed on the screen.

Type the message to sent via SMS. After this, press ctrl+Z to send the SMS.

If the SMS sending is successful, �ok� will be displayed along with the message number.

For reading SMS in the text mode:

AT+CMGF=1 Press enter

AT+CMGR= no.

Number (no.) is the message index number stored in the sim card. For new SMS, URC will be received

on the screen as +CMTI: SM �no�. Use this number in the AT+CMGR number to read the message.

Voice call

Initiating outgoing call:

ATD+ mobile number;

For disconnecting the active call:

ATH

For receiving incoming call:

ATA

Note: The modem automatically sets to the baud rate of the first command sent by the host system

after it is powered up. So there is no need for setting the baud rate using commands. Before You

Start using the modem, please make sure that the SIM card you inserted support the

needed features and there is enough balance in SIM.

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Using GSM Modem with PC

If you wish to use GSM modem with PC then connect serial cable to PC and power it on.

Use the supplied serial cable to connect to PC�s serial port. Use Hyperterminal software which

comes with Windows XP or use any other Terminal software with following settings.

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Data Rate: *****0�� Data Bits: 8���� Parity: None������ Stop Bit: 1������ Flow Control: None

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Applications

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Operating System

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