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PDK  |  SKU: R4 | Item No. 0121-0059

R4 Red 4 Four Door Controller

MSRP: $.00

Product Features


  • Removable Screw-down Terminals
  • Built-in Power Supply
  • Industrial-grade 2A Form-C Relays (4)
  • Reader (4)
  • Input A (4)
  • Input B (4)

Communication Options

  • Ethernet
  • WiMAC™ Wireless (2.4 GHz/ 802.15.4)
  • PoE++
  • Encryption: AES 128bit
  • Wireless Range: 1 Mile LoS, 450ft indoor average


Temperature: -4° ~ +140° F /-20° ~ +60° C

Humidity: 0 - 95% relative humidity non-condensing

Metal lockable security can (indoor use only)

  • Power
  • 12V-24V DC Input
  • 12 VDC 5A 60 watt class 2 wall-wart power
  • supply (Input supply to the board)
  • Powers readers and other door hardware
  • directly from the bus
  • *12V 8ah backup battery not included but is required to comply with UL 294.

In the Box

Related Files

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Pdk’s Red™ 4 controller includes built-in Ethernet connectivity and self-discovery, simplifying IP configuration and functionality. Additional plug-and-play connection

options are available by simply purchasing a Red WiMAC™ wireless or PoE++ Module Kit.

The Red 4 is equipped with OSDP functionality, an onboard power supply, and a
fully-supervised power circuit that monitors input, output, battery voltage, and overall controller health.