| Data type | Radio.Signaling.LoneWorker |
| Description | Alerts coworkers when a lone worker does not respond to periodic prompts to confirm that he is safe. |
| Primitive type | Bool |
| Notes | If there is a long lapse in communication with a lone worker, the radio will sound an alert. If the user does not respond to the alert, the radio will place an emergency call to a predetermined person or group. |