The GRPS Wireless Modem is based on industrystandard open interfaces, is fully type approved, and can be desktop or panel mounted. Models: MTCBA-G-F1 is the 900/1800 MHz GPRS modem (RS-232) MTCBA-G-F2 is the 850/1900 MHz GPRS modem (RS-232) Other Product Codes:...
Gprs/Gsm wireless modem with RS232 interface Application Overview 1.3. Application Types With circuit switched data rates up to 14.4K bps, the GRPS Wireless Modem is targeted at applications that periodically need to send or receive data over a wireless network. It is an ideal solution for: Appliances ATM Terminals Automotive...
Gprs/Gsm wireless modem with RS232 interface indicates the modem’s operational status. Packet-Switched Data The GRPS Wireless Modem supports GPRS Class 10 packet-switched cellular data. This enables mobile Internet functionality by allowing inter-working between the existing Internet and the cellular network at speeds up to 85K bps.
Page 6
Gprs/Gsm wireless modem with RS232 interface Your Wireless Multi-Modem is the product of advanced engineering, design, and craftsmanship and should be treated with care. The suggestions below will help you to enjoy this product for many years. • Do not expose the Wireless Multi-Modem to any extreme environment where the temperature is above 50ºC or humidity is above 90% non-condensing.
Gprs/Gsm wireless modem with RS232 interface Your Responsibility This Wireless Multi-Modem is your responsibility. Please treat it with care respecting all local regulations. It is not a toy. Therefore, keep it in a safe place at all times and out of the reach of children. Try to remember your Unlock and PIN codes.
Gprs/Gsm wireless modem with RS232 interface Typ. Typ. Input Supply Voltage Input peak supply current in comm. mode at P Input average supply current in comm. mode at P Input average supply current in idle mode Antenna/RF Specifications GSM850 EGSM900 Frequency RX Frequency RX 925 to 960 MHz...
Gprs/Gsm wireless modem with RS232 interface 2. CHAPTER 2 – ACTIVATION AND INSTALLATION Step 1 – Activate Your Wireless Account 2.1. Phone Numbers for the Wireless Modem Every wireless modem will have its own unique phone number. The phone number may simply be given to you by your wireless service provider or it may be on the SIM card or both.
Gprs/Gsm wireless modem with RS232 interface Step 3 – Install the Modem Driver 2.3. RS232 is the industrial standard interface, when you connect the modem with PC, it will be recognized, and the device is compatible. Rev 2.0 12-12-2008...
Gprs/Gsm wireless modem with RS232 interface 3. CHAPTER 3 – USING YOUR WIRELESS MODEM Phone Numbers for the Wireless Modem 3.1. Every wireless modem will have its own unique phone number. • The phone number may simply be given to you by your wireless service provider or it may be on the SIM card or •...
Page 12
Gprs/Gsm wireless modem with RS232 interface • Initiate an emergency call Type ATD112; (Note: Don’t forget the semicolon “;” at the end. This stands for voice calls) Responses: OK • Hang up Type ATH Responses: OK Establishing a Circuit-Switched Data (CSD) Connection A Circuit-Switched Data Connection makes the wireless modem work similar to a regular analog modem.
Gprs/Gsm wireless modem with RS232 interface Type AT+CMGD=x,n <press Enter> If you want to delete one message at a time, do not enter a value for n. For n, substitute one of the following: 0 Delete message at location <include the index number> 1 Delete all READ messages.
Gprs/Gsm wireless modem with RS232 interface +CSMS: 1, 1, 1 at+cnmi=2,2,0,0,0 (set to receive SMS and route directly to TE) +CMT: "+13537491551",”06/03/17, 13:59:18+00" (message received and directly routed to TE) TEST2 Receive Example 3: Receive SMS message in text mode by directly routing the received message to the TE through the serial port using Phase 2+: at+cmgf=1 (set to text mode) at+csms=1 (set to Phase 2+)
Page 15
Gprs/Gsm wireless modem with RS232 interface 4. A Properties window for your modem will display. Click on the Advanced tab and you should see an Extra Settings box. In the Extra initialization commands text box, type: AT+CGDCONT=1,“IP”,“<APN>” For <APN>, you need to type in the correct APN for your account. For example: AT+CGDCONT=1,“IP”,“CMNET”...
Page 17
Gprs/Gsm wireless modem with RS232 interface The connection will now tell the modem to connect to your provider’s Internet service. Once connected, you should see the connection status icon in your system tray at the bottom right-hand corner of your screen. You should now be able to open Internet Explorer or any other browser of your preference to surf the Internet.
Gprs/Gsm wireless modem with RS232 interface 4. CHAPTER 4 – TROUBLESHOOTING AND FREQUENTLY ASKED QUESTIONS Troubleshooting Examples 4.1. Before calling the Support, check to the following connections: • The right antenna is connected to the modem • The serial cable connection is correct •...
Page 19
Gprs/Gsm wireless modem with RS232 interface • You will need fax services setup on your account. You should receive a separate phone number for fax just like voice and data, and you must call the fax number for the modem to receive a fax. •...
Need help?
Do you have a question about the MTCBA-G-F1 and is the answer not in the manual?
Questions and answers