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.t '. There are four LOJACK systems: the LOJACK Retrieve System, the LOJACK Prevent System, The LOJACK Alert System, and the LOJACK Alert System plus Remote Keyless Entry. The LOJACK Retrieve System is the police activated transmitter which emits a homing signal, thereby allOwing officers to track down stolen vehicles. The LOJACK Prevent' system is a passive starter kill switch and LOJACK Alert is a passive remote ignition. disabling alarm. Both are designed to stop an amateur thief and are only available in conjunction with the LOJACK Retrieve System. LOJACK Retrieve - the element of the system which is purchased by the- customer and hidden randomly in their car or truck by LOJACK tecbhicians.. . The chalkboard eraser sized box operates from the vehicle's battery and. contains a low power VHF.radio transceiver capable ofreeeiving and seli~g-- its own unique coded high frequency radio signal. If a LOJACK equipped vehicle is stolen, the owner reports the theft to the police department in the jurisdiction where it was s~olen. The' police enter the Vehicle Identification Number (VIN) into their computer. Then --a signal from the Police Radio Network activates the LOJACK in the stolen vehicie. ' . When the LOJACK Uilithears its' -activation signal~ it sends' oufa coded'signal. - once every 15 -seconds to a network of LOJACK Police Tracking Computers _ -tpTc's) located in police vehicles throughout the coverage areaS. (It can also be told by police to speed up the homing signal to once per second to improve tracking). The PTC's identify the vehicle so police can track it by following a signal to recover - .the vehicle. Once the stolen vehicle is recovered the- transmitter is deactivated, returning to the "listen "mode. In the' event power to the transmitter is disrupted it containS its own battery capable of powering the unit for approximately 72 hours. LOJACK POLICE PRODUcrS BROCHURE REvrSED _ June 9, 1999 PAGE #7