Matrix user forums

I purchased the GSM Eblock, and I have tried to run the test program to check the module, I can enter the number and message and All the AT commands seem to work (I had to change the RTS and CTS ports to RC2 and RC5to get it communicating).
The problem that I have is that the GSM module can’t seem to log on to the network. The status LED just flashes continuously. When you send the message it comes back “message not sent”. I tried a different SIM/network, made no difference. The local signal is strong on my phone - 5 bars.

Are there some additional settings required to get the GSM to log on the cell network?

Can I read the GSM module status to see if there is a network problem?

cruzxia

Hi Cruzxia
This is a project I did using the GSM e-block

http://www.matrixmultimedia.com/resourc ... ontrol.pdf

Hope it helps you get going

Hi Cruzxia,

Here is a quote from the datasheet.

6. Onboard Antenna

The onboard antenna is fairly low gain and is provided to allow simple GSM communications in strong signal
areas. For weaker signal areas it is advisable to remove the GSM module from the E-block, disconnect the
onboard antenna from the module and then connect a high gain quad band GSM antenna to the module. The
antenna socket on the GSM module is a Murata GSC type wireless connector.

e.g. http://www.sectron.eu/products/249-ante ... d-gsc.html

Thanks for the replies, I plugged in an antenna from an old phone and it logged on the network.

I modified the coding for the v3 development board, and it sends SMS. I have attached the file for anyone who is trying to setup the V3 and EB066, It will save you some time so you can test the EB066. The instructions are at the top of the Flowcode file.

Cruzxia