mini waterproof gps tracker locator with google map for child pets dogs vehicle personal gsm sos alarm

1. our this lk106 gps tracker can only work with 2g gsm network,it does not support 3g 4g or 5g network.if your 3g 4g sim card can also support 2g network, then it is ok to use.but if your country have closed 2g network,we suggest you choose our 3g 4g gps gsm tracker. 2. this is our 3g 4g gps gsm tracker link for you 3g 4g gps tracker in our store 3.our this gps tracker need to use a sim card, the package has no include any sim card,please buy the sim card from your local market. location based service also named a-gps, when tracker in underground or tunnel ,can get location by agps.