Mini 4G GPS tracker, full name is 4G LTE SOS gps tracking device, also called as SOS phone,SOS GPS pandent, being used to prevent people getting lost, find lost people quickly and make SOS call in emergency.

This 4G pendant has two versions with two combinations of frequency bands:
Version A bands combination:
4G-FDD： Band 1/2/3/5/7/8
4G-TDD： Band 38/39/40/41
2G-GSM： Band 2/3/5/8

Version B bands combination:
4G-FDD： Band 1/2/3/4/5/7/8/12/20/28A
2G-GSM： Band 2/3/5/8

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