Hello everybody,
Below you may find the SIM card networks compatible for wireless(4G) connection on Smartlogger 1000A:
SmartLogger 1000A01 CN supports: 2G, 3G and 4G networks of China Mobile and China Unicom & 4G networks of China Telecom;
SmartLogger 1000A02 JP supports 3G and 4G networks of Docomo;
SmartLogger 1000A01EU / SmartLogger 1000A02KR and SmartLogger 1000A01UK support networks of: T-Mobile, Vodafone, Orange, and KPN;
SmartLogger 1000A01 AU supports networks of Telstra, Optus and Vodafone;
SmartLogger 1000A01 US supports the networks of AT&T.
Also, i have attached its User Manual.