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Other pet fences are wireless. Rather than using an underground wire, they emit a radio signal from a central unit, and activate when the pet travels beyond a certain radius from the unit. In another type, the collar uses GPS signals to determine proximity to a predetermined "virtual fence", without the need for any physical installation at all.
Invisible Fence Inc. (commonly referred to as Invisible Fence Brand) is a company that designs radio pet fences for cats and dogs. Manufactured and distributed by Radio System Corporation, the company sells wireless and fenceless systems that were first introduced in 1973. [ 1 ]
A typical shock collar. Shock collar used on a riot police dog in 2004 in Würzburg.Two years later, [1] Germany banned the use of shock collars, even by police. [2]A shock collar or remote training collar, also known as an e-collar, Ecollar, or electronic collar, is a type of training collar that delivers shocks to the neck of a dog [3] to change behavior.
Wireless Sensor Networks (WSN / WSAN) are, generically, networks of low-power, low-cost devices that interconnect wirelessly to collect, exchange, and sometimes act-on data collected from their physical environments - "sensor networks". Nodes typically connect in a star or mesh topology.
Wireless MCU Software, BitCloud stack, SerialNet, OpenMAC ZigBit 2.4 GHz (ATZB-24-A2) balanced dual chip antenna 24 mm × 13.5 mm × 2.0 mm ZigBit 2.4 GHz Amplified (ATZB-A24-U0) RF output 50 mA 23 mA Up to 20 dBm -104 dBm 38 mm × 13.5 mm × 2.0 mm ZigBit 2.4 GHz Amplified (ATZB-A24-UFL) U.FL connector: ZigBit 700/800/900 MHz
Domestic robots can vary widely in their capabilities and tasks. Sensors include: cliff or stair sensors, motion sensors, ultrasonic object sensors, dirt sensors, IR sensors, and more.
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