Passport 8500 X50 Red designed for the driving enthusiast, the Passport 8500 X50 delivers the best possible protection in its class. In test after test, the Passport 8500 X50 comes out on top. Digital signal processing (DSP) provides maximum range, with minimum false alarms.
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I'm a professional owner operator this is a great unit! Very little false alarms very long range detection plus this unit has a built-in radar detector. detector yes there is such a thing Truckers aren't allowed to use them and they are not legal in all states so police can detect if you are using one but this escort has a blocker in it is a great unit do not waste your time and money on a Cobra or some other cheap imitation it will just cost you tickets and money.