Age of two GPS systems

JackPan Registered Users Posts: 5
Apprentice Seeker
edited December 2021 in Devices using MyDrive Connect
I own two GPS's one is a VIA1435TM and the other is a VIA1515TM. Could someone please tell me the approximate age of both GPS's? It does not have to be exact. Perhaps when both models were first released to the public. Thank you for your assistance.

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