Upgrading to mobile access has never been this easy.
Update your legacy access readers. Instantly.
Set up is fast, simple, and minimally disruptive to existing systems. The Zerver B is powered by the host controller. Mobile access is enabled by connecting one side of the device directly to the control panel and the other side directly to the reader. A full wiring diagram can be found in the Install Guide with dimensions, antenna instructions, wiring instructions, and power-up steps.

The Universal Translator
The Zerver B adds digital credential reading compatibility while preserving the use of existing cards, fobs and badges. It fits seamlessly between your existing reader and access control system, converting bluetooth low energy (BLE) signals from a smart device into secure industry standard access requests.




Upgrade your access control sytem.
Leverage your existing infrastructure to create mobile access without hardware upgrades.