Wen Yi Science and Technology Customer Service taught me that most GPS locators used in general vehicles only have positioning function, and personal GPS locators generally have two-way call function;

Moreover, all GPS locators only support mobile or Unicom cards, not telecom cards;

Then, if your car GPS locator is ordinary and only used for positioning, it is enough to open a 30-megabyte traffic package when you apply for the card. Now many locators have an object link card for special location. The monthly rent of this card is cheap, and it only has the function of positioning, and there is no function of calling and texting.

If it is for personal use, you need to have a call function on the basis of traffic. Just get the most common card in the business hall. The card of the business hall has been authenticated by personal real name, so you can make phone calls and use traffic. It is enough for you to open a traffic packet of about 30 megabytes!