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fpicard102 Member
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Hello, For several days I have encountered a problem. I no longer receive text messages. If I still send an arming order by SMS, nothing happens. I presice that my system is working perfectly through the application. So I am going back to comfigurator. I updated the whole installation but still nothing. I also tried with a second sim card. In the status bar it appears "Unknown GSM Module". Can you help me solve my problem? Regards |
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slychiu Administrator 
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Unknown GSM Module means that the GSM Module is having diffculty connecting to the network provider. Try powering off the module. What is the serial number? |
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fpicard102 Member
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Hello, I confirmed that I had tried to turn the system off and back on. I changed my SIM card from another provider. No change while my phones are picking up correctly. the serial numbers are P081808 and P081820 SIM900 S2-1040S-Z0912 SN:MP0610512267627 What can I do now? Regards |
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slychiu Administrator
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This is a 2G GSM Module UCM/GSM4(2G) sold in 2013. Many countries have stopped supporting the 2G network. It may also depend on the network provider. Have you upgraded the gsm submodule to 3G? |
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fpicard102 Member
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Hello, According to my research, the 2G services of my provider are still active but without certainty. What is the procedure to update my module? regards |
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slychiu Administrator
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You can buy the 3G GSM submodule see http://www.comfortforums.com/forum48/3647.html Last edited on Saturday Feb 5th, 2022 12:58 am by slychiu |
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fpicard102 Member
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Hello, I finally have an answer from my supplier who assures me that 2G is still active until the end of this year. I plan to change my module in anticipation but where could my worries come from if 2G is active? I would like to be sure before. Thank you Best regards |
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slychiu Administrator
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You can buy the UCM/GSM 3G which will work on 3G networks. Check that your home is supported by 3G |
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fpicard102 Member
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Hello, But if it's not a 2G problem why buying a 3G card will solve my problem? Should I buy a complete module? http://www.cytech.biz/gsm_interface_3g.html or only this part? http://www.cytech.biz/gsm43g_submodule.html Regards |
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slychiu Administrator
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iF it is not a 2G problem, it may be some fault with the module, the 2G submodule or the UCM. You could but just the 3G submodule, and if that has a rpoblem, get the UCM/GSM base board separately |
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fpicard102 Member
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Hello, Is there a forecast for a 4G or 5G module so that I don't find myself in the same situation soon? regards |
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slychiu Administrator
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We should have a 4G module in the next 6 months. But it will be significantly more expensive that 3G. 5G is not a viable alternative for hsm at the moment due to cost and avilability |
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fpicard102 Member
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Hello, Is the list of your resellers in Europe up to date? I have contacted many for quotes. No answer....Only one company answered me not being able to sell due to tax concerns Regards, |
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slychiu Administrator
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Have you tried Laser in the UK? If you have any problems send an email to sales@cytech.biz |
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