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Information about GPS GSM collars
GPS GSM collars are collars with a remote download possibility via the Global System for Mobile Communication. The GSM
system is used to transmit fix data positions of the animals collar (estimated by the GPS engine inside the collar) to a device. The
address of destination can be a cell phone or a GSM groudstation, f.ex.
In GPS GSM collars, a SIM card has to be incorporated. A SIM (Subscriber Identity Module) card is a chip card with the size of a postage stamp.
The SIM card contains a microprocessor chip, which stores unique information about your account, including a phone number. The position data are normally sent in SMS format, nearly in the same way as
SMS (Short Message Service) between cell phones.
GPS GSM collars need a GSM coverage in the area where the animal moves. In case of no GSM coverage state
of the art collars store the location data and send the data “behind”, if the animal is back in GSM coverage.
The picture shows a GPS collar suitable for tracking ungulates
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