How is a specific group of stations selected on a digital voice transceiver?

A specific group of stations on a digital voice transceiver can be selected by entering the group's identification code. This method allows the user to connect directly to a predetermined group of stations that share the same identification code, facilitating communication within that group. This process ensures that you are communicating with the intended stations and helps in managing bandwidth and reducing interference from other users not on the same network.

The other methods mentioned, such as retrieving frequencies from transceiver memory, enabling a CTCSS tone, and activating automatic identification, focus on different functionalities. While they also play significant roles in the operation of a transceiver, they do not specifically target the selection of a particular group based on identification coding, which is crucial for organized and efficient communication.