The Perimeter Wire-Free (WiFi) dog fence is the only wireless fence that uses WiFi technology. According to the manufacturer, that's why this wireless fence provides a much larger signal field (2 acres) than the PetSafe Wireless Instant Fence (1/2 acre). When I heard that this wireless ...
The present invention relates to a system for detecting an intrusion attempt inside a perimeter defined by a fence including panels attached onto posts, comprising a means for detec
Besides, each tower may be connected by a wired or wireless communication network to a control center which allocates the blocked detector, thus estimating the location of the intrusion. U.S. Pat. No. 6,806,811 to Readler describes an anti-intruder perimeter fence based on IR emitters and...