A monitoring system (1) for monitoring a deployed person. It includes a base station (11) which provides a radio cell (F) in accordance with a first wireless communication standard; and at least one mobile monitoring apparatus (12) which is designed for wireless communication with the base station (11) via the radio cell (F) in accordance with the first wireless communication standard. The mobile monitoring apparatus (12) includes a signaling tag (121) and the base station (11) includes a wireless interface (111) which is designed to automatically read out from the mobile monitoring apparatus (12) participant information (3) required for a registration in the radio cell (F), via the signaling tag (121), wirelessly in accordance with a second wireless communication standard, when the mobile monitoring apparatus (12) is within a minimum distance (A) from the base station (11), which is predetermined by the second wireless communication standard.