Home

About GPS collars

GPS

Drop off

How it works

History

Immobilization

Literature

Photos

Software

GPS GSM collar

How it works

GSM

GSM groundstation

SMS

Company

Photos of GPS collars

This site shows a collection of GPS photos from the beginning until today. The pictures represent the history of the technical progress of GPS collar.

GPS collar used in 1994 to track red deer. Weight about 1200 g. For protection, the collar box was casted with polyurethane material.

A GPS collar for dogs