WLS-T01 is a 2.4GHz wireless transmitter (called Tag) by battery supported, it can broadcast automatically 2.4GHz wireless Locating packages to WLS-R01. WLS-T01's wireless frequency use ISM 2.4GHz global common frequency band total have 16 channels, the range of 16 channels are 2.405GHz to 2.48GHz, it can separated into 5MHz segments, and WLS-T01 supports 16 sectors of RF power setting. The user can use the button to adjust the above settings. In addition, WLS-T01 supports help button, low battery power indicator, and built in Node ID, 3dBi directional PCB antenna and other user-friendly design can effectively reducing the size for the user to carry it. The user can also send a distress signal in an emergency situation, and let people know his relative position to support him. The wireless transmission range (line of sight, LOS) of WLS-T01 is 100 meters, and WLS-T01 uses low power consumption design architecture, when the user installs a CR-123A battery (3.0 VDC) and the wireless transmission interval is 3 seconds, operating temperature in +20°C to +60°C, the use of time can be up to 2 years, if battery will low power, the user can change the new battery by himself, so WLS-T01 very suitable for use in item tracking, personnel movements in hazardous areas, factory regional management and other applications.