How to integrate GPS to a portable device?

If I need to make a portable device which you can carry around with you to give the exact location, altitude, climb and descent.

What electronic chips hardware will i need to make a portable GPS system?

Is there a need to make a payment to some company to use GPS?

Best Answer:

Garmin nüvi 765/765T 4.3-Inch Bluetooth Portable GPS Navigator with Traffic
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