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Red 4 Logo

Four Door Controller

ProdataKey’s four-door controller, the Red™ 4, comes equipped with an onboard power supply and a fully supervised power circuit that monitors battery voltage, outputs, inputs, and overall controller health. Each Red 4 features built-in Ethernet connectivity and self-discovery features, alongside OSDP compatibility. This allows for simple IP configuration and functionality.

Part Number: R4

Red 4 with board
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advanced security

With advanced encryption, mobile compatibility, and OSDP communication, PDK’s Red controllers provide industry-leading security for access control systems.

self discoverable icon

self discoverable

Once an Ethernet connection has been established, the Red 4 will be automatically discovered by the Cloud Node–no manual IP address entry needed.

Power icon

power monitoring

With a built-in, fully supervised power circuit, each Red 4 controller continuously monitors input/output power, battery voltage, and its own operational health.

Learn more about the Red 4:

high-security readers

PDK Red Logo

PDK Red Readers are designed to seamlessly integrate with the Red 4 High-Security Controller.

red readers

PDK Red Credentials are designed to be the perfect match for the Red 4 High-Security Controller.

high-security credentials

PDK Red Logo
PDK Red Credentials Group

module kits

Plug-n-play connection options are available with the PDK Red Wireless & PoE++ kits.

wireless module

Simply plug the wireless module into the Red 4 board, and it's ready to go.

PoE++ module

Plug and play option for advanced PoE++ technology.

Red Wireless Modules
PoE Module
Red Module Kits
Red 4 with CN Diagram

The only true cloud access solution

•  Anytime, Anywhere, Any Device

•  Mobile Setup & Configuration

•  Real-Time System Management & Updates

•  Instant Email & Text Alerts

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