The Ungo Box line of security systems, manufactured by Techne Electronics Limited, were virtually standard equipment on Porsches in the mid through late 1970s. Although their use has spread to many other makes of car, they are still known as aquot;the Porsche alarm. ... Note the switches for selecting manual or passive arming and high/low/off motion sensing; multifunction LED indicator; digital arm/disarmanbsp;...
|Title||:||The automotive security system design handbook|
|Author||:||J. Daniel Gifford|