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The Concept: 24/7 FREE, MONITORED INTRUSION DETECTION

The Guard Dog phone is a clever and reliable combination

of a telephone, a motion sensor, and a microphone. 

The Guard Dog phone is an ordinary telephone, until you

decide to use it as a monitoring system.

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Product Specifications

THE PHONE

The Guard Dog phone is a variation of a phone that our manufacturer has produced for years in large quantities.  The popularity of this "Slimline" telephone is a testament to its stylish design and simple function.  Operation is no different than the regularly produced version and the user would notice no difference.  The Guard Dog phone plus into any standard telephone jack for normal phone operation.

By adding our patent-pending circuitry, the manufacturer modifies the interior electronics while leaving the exterior virtually unchanged.  The Guard Dog phone circuitry requires an AC adapter (provided) to be plugged into any standard 110V wall outlet.  The absence of this power adapter would render the Guard Dog phone circuitry useless, but would not affect the telephone's normal operation. 

Intentionally, this phone has an ordinary appearance thus making the Guard Dog phone less obtrusive and more effective. 

The connection of the Guard Dog phone to your existing phone line has no adverse effect.  It is no different than adding another ordinary phone. 

THE MOTION SENSOR

The Guard Dog phone's motion sensor is PIR or Passive Infrared Technology.  The passive infrared sensor detects changes in the room's heat signature due to occupant motion.  The range is in excess of 30 feet at which point the width is about 20 feet, creating about a 45 degree wedge beyond the sensor origin. 

THE MICROPHONE

The hidden condenser microphone is strategically placed for maximum efficiency.  It is amplified to insure that the slightest of sounds are heard, producing a high quality listening experience.