Technical Comparison

System Access

Channel must be monitored for activity. Co-channel users must clear before attempting a call.

Generally, press the Push-to-Talk button and start talking.

Degree of Privacy

Privacy is not possible since all users share the same RF channel.

Users from the same talk group have exclusive use of a voice channel for the length of a conversation.

Types of Communication

One-to-one, one-to-all

One-to-one, one-to-all and one-to-talk group

Queuing

Not available

New user queue and recent user queue provide orderly system access

Priority Levels

Not available

Ensures critical users gain more immediate access to the system