Oct 6, 2015 #1 R Rikr09 Member level 3 Joined Feb 14, 2013 Messages 59 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,745 Hello, I have developed a modem application using SIM900 modules. The problem is that now i am trying to use 4G LTE sim card and i have not accomplished network registration. If i use a GSM/GPRS sim card it works. What it could be? Thanks for your attention. Ricardo
Hello, I have developed a modem application using SIM900 modules. The problem is that now i am trying to use 4G LTE sim card and i have not accomplished network registration. If i use a GSM/GPRS sim card it works. What it could be? Thanks for your attention. Ricardo
Oct 6, 2015 #2 J JSCV Newbie level 5 Joined Apr 19, 2013 Messages 8 Helped 4 Reputation 8 Reaction score 4 Trophy points 1,283 Activity points 1,341 you should check if your module supports 4G. First search on google yielded this module only supports GSM/GPRS (2G)
you should check if your module supports 4G. First search on google yielded this module only supports GSM/GPRS (2G)
Oct 9, 2015 #3 M mcumail Newbie level 1 Joined Oct 9, 2015 Messages 1 Helped 1 Reputation 2 Reaction score 1 Trophy points 3 Activity points 3 Sim900 does not seem to support 4G