Increasing the RF data of automatic backup unit, which the RF data transmit to the information management center, the RF data is stored in RF identification device automatically in order to facilitate information management center to call at any time. 增加射频数据自动备份单元,就是射频数据传输给信息管理中心的同时,射频数据会自动保存在射频识别装置里,以方便信息管理中心可以随时调用。