The Linear R4500 is a wireless vehicle sensor from Linear, designed for use in automatic gate and access control applications. Wireless in-ground vehicle sensor that triggers hands-free gate exit without loop wires. Contact configuration: Dry contact output; receiver connects via Channel 2 wires (YELLOW and BROWN) to gate control board.
A: The sensor detects a vehicle passing over it and wirelessly signals the receiver, which then provides a dry contact trigger to the gate operator control board to open the gate automatically.
A: The R4500 is not approved for use as a safety device. It is intended only as an exit activation device.
A: The sensor should be placed up to 2 ft from the driveway edge and buried 12 in deep. It must be installed at least 25 ft from the leading edge of the open gate.
A: The R4500 operates on two AA batteries, which are included in the kit.
A: The transmitter has a 15 ft tether/lead for mounting away from the driveway edge, and the maximum transmitter-to-receiver wireless range is 100 ft.
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