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1. Why did the Computer Collar® activate near the customer's car? The car was not in the signal field.

   Category: Troubleshooting/Invisible Fence Troubleshooting

   ... from an Invisible Fence transmitter is an Electro-magnetic field. The magnetic field radiates outward from the loop wire in a cylindrical motion. The magnetic field will continue to move cylindrically ... Thursday, 19 March 2009

2. What is the strength of the electro-magnetic field produced by an Invisible Fence transmitter?

   Category: Troubleshooting/Invisible Fence Troubleshooting

   The radio signal, which transmits from the wire, is undetectable to humans or other animals, which are not wearing the receiver collars. The magnetic field intensity of the Invisible Fence system measures ... Thursday, 19 March 2009