Vertex Standard eVerge EVX-530 digital radios with displays are designed to accommodate future expansion and the development of third-party applications. The EVX-534 and EVX-539 allow you to install an internal option board for added features and functionality, such GPS location tracking, telemetry for remote control operations and recording messages.
This video provided by Vertex Standard instructs you how to properly install an internal option board into an eVerge EVX Series two way radio available from Buy Two Way Radios.
