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Contele Fleet Tracking uses IOT MULTI-OPERATOR CHIP (M2M.)

The Multi-Operator Chip provides Internet access that is always of good quality, because it is using the best operator in the location or region.

This makes the Vehicle's signal always the best possible, because the Multi-Operator Chip identifies the best carrier in the region and connects to its network.

See also the articles:

What is the structure and programming language of Contele Rastreador?
What happens with the shadow area tracker?
Tracker Operation (GSM + GPS)
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