The Linear AP-5 Wireless Access Controller

The Linear AP-5 Wireless Access Controller - Two Gate or Doors is designed for a broad range of applications and can control one or two door strikes, mag-locks, barrier gates, automatic gates, or door operators. Its wireless design and small size fits a variety of access control requirements. 

The unit's built-in high-gain superheterodyne receiver picks up transmitter signals from up to 500 feet away.