Abstract: Disclosed is a TLD wireless terminal, a TLD management system, and a method for managing the TLD. A TLD wireless terminal adhered to a TLD and communicating with a plurality of repeaters including a first repeater and a second repeater located in a radiation controlled area may include a repeater determining unit configured to selectively determine the first repeater or the second repeater as a repeater for performing communication, and a first communication unit configured to transmit a packet including unique identification information of the wireless terminal to the first repeater.