Does GPS tracker Need to Insert SIM Card

2018/3/12 17:03:13

Does the GPS tracker Need to Insert a phone card? It seems that this depends on your use. Under normal circumstances, if it is applied to positioning, there is no such device on the market.

Great-will technicians said that after the GPS tracker receives the signals of the GPS satellites, it must be calculated by the software to be able to obtain the latitude and longitude information. This information can only be transmitted to other devices and received by them. Get this GPS tracker location information. Therefore, as far as the current situation is concerned, if you want to transmit information, you can still use the mobile phone network. No other public network can be used, so the SIM card of the mobile phone is indispensable.

On the other hand, for GPS tracker used in navigation, it is not necessary to transmit latitude and longitude information. It is sufficient to calculate the latitude and longitude directly in the local area, and it is not necessary to use a telephone card.