This quad box enclosure with a single Tracker Expansion board provides a lockable weather resistant housing for up to four Tracker Expansion Boards.
Tracker Expansion Boards are used with DoorKing Models 1833, 1835, 1837 and 1838 to expand these systems to control up to 48 wired entry points or up to 24 entry points using a wireless connection. Tracker Expansion Boards will interface with a variety of wiegand devices including card readers, transmitters, keypads, etc. They will also report gate operator data from DoorKing intelligent gate operators that have Gate Tracker outputs.
In addition to these features, Tracker Expansion Boards can also monitor the status of a door, report door ajar and forced entry conditions, sound local alarms, activate a building alarm system, and has request to exit inputs.