This is 2G+4G GPS tracker -- : LTE-FDD:B1/B3/B5/B7/B8/B20 , LTE-TDD:B34/B38/B39/B40/B41 , 2G:GSM:B3/B5/B8
Have tested in Europe and Asia, working successfully. Other Continents , please confirm with your country telecom operator, support the 4G bands above or not, if include our 4G bands yes work too.