Nextel's GPS cell phone is easily defeated by turning the phone off, not activating the GPS application or placing the phone under a metal shield if the battery does not die first. In situations where stealth is a must, the MARCUS real time GPS tracking system can provide covert tracking by placing the unit and all antennas in the dash of the vehicle (limitations apply). Ideally you do not want to be covert for fleet tracking applications. Covert tracking impacts the system’s performance and erodes trust with good employees. We always recommend being up front with employees and giving them a positive role in making changes. Nextel's GPS phone might be cheap but cheap means nothing if you cannot use the data to make changes in your company.
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