Hi All Been trying to get this to work for a while with no success and wondering if it needs to be unlocked somehow.
Background is I'm using Three(3) as the provider in the UK. SIM is enabled and if placed in a mobile phone supporting LTE (4G) it will connect and register on the network no problem. In the embedded system I am using I use the same SIM with a variety of modems/modules to attempt to connect to LTE. All modules have capability and support the 800MHz band for Three's LTE service. When enabling the modem with mmcli it permanently states searching and not registered. I have tried with single and dual antennas with no luck. The dual antenna I am using supports frequency range: 791~821MHz 832~862MHz 1710~1785MHz 1805~1880MHz 2500~2570MHz 2620~2690MHz Looking on the iPhone diagnostics screen when registered to 4G it is using the band 832 - 862MHz, so surely the mPCIe modems should connect. If I swap to a 3G antenna on mPCIe modems it will connect first time on 3G. My main query is that why can an iPhone connect and us the 4G signal and the multiple modems not ? ZTE ME3630 E1C mPCIe SIMCom SIM7500SA LTE mPCIe SIMCom SIM7600E-H LTE CAT-4 mPCIe EU Telit LE910-PCI (LE910C1-EU) Do I need to unlock the feature on the SIM with a pin ? Any help appreciated to maintain the rest of my hair! Thanks Marc _______________________________________________ networkmanager-list mailing list [email protected] https://mail.gnome.org/mailman/listinfo/networkmanager-list
