Restricted Access to System

The Restricted Access to System (RAS) feature prevents unauthorized subscriber users from
using the repeaters in the system. It also offers some protection to prevent unauthorized subscribers from listening to any repeater outbound voice/data transmission.

RAS is not a privacy feature and if voice privacy is a concern, Basic Privacy, Enhanced Privacy, or AES should be used. It is supported in all MOTOTRBO system configurations – Conventional Single Site, IP Site Connect, Capacity Plus, and Linked Capacity Plus.

RAS provides two methods to prevent a subscriber from accessing the system:

- RAS Key Authentication
- Radio ID Range Check

These two methods are independent of each other and may be enabled/disabled separately or together. When used together, they provide a robust and flexible way to control the users access to the system.
In the repeater
In the radio

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