Linear LLC’s wireless gate/door controller, the AP-5, has three separate relays: access, obstacle, and configurable to either access or obstacle. The access relays are programmable, which the company says makes it suitable for environments where control to more than one entry is needed. It also features a programmable access relay activation time, from one to 120 seconds. For gates, up to six Linear Model MGT safety edge transmitters can be assigned for entrapment detection to trigger obstacle outputs. It features a built-in, high-sensitivity, narrowband 318-MHz super heterodyne receiver with an external antenna that can pick up signals from a Linear MegaCode block-coded transmitter from up to 500 feet away. Linear LLC

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