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For convenience, we offer online ordering, and typically ship within 1 business day. For larger orders, quantity discounts, and contract inquiries please contact us at [email protected], or call us at (407) 321-9215.

DOT-Z1 DMI (Distance Measuring Instrument)

Complete system including DMI, installation kit, user's manual, and windshield/dash mounting hardware.

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*Professional model includes versatile magnetic GPS antenna and does not require wiring to VSS.


Replacement GPS Antenna

GPS Antenna used with the DOT-Z1 Professional DMI. Antenna features 3 meter (~10 feet) cable length and has a magnetic back which allows it to be roof-mountable. - $30.00


Replacement DMI Windshield Mount Bracket

Suction-cup windshield mount bracket, suitable for mounting the DMI inside a vehicle. - $20.00


Replacement DOT-Z1 Power Cable

Power cable that plugs into the 12V outlet inside a vehicle and connects to the DMI. - $18.00


DOT-Z1 Universal VSS Kit

Universal Vehicle Speed Sensor (VSS) wiring kit that allows the DMI to utilize a vehicle-based speed sensing source. - $35.00

Vehicle Make, Model, and Year