With application of Standard Global 2.4G technology, LANDWELL design and develop the advanced long distance 2.4G guard tour system. Security personnel just carry it and walk by the needed patrolling area within 3-15M reading distance and the information of 2.4G checkpoint can be collected; especially applied in some harsh environment or dangerous areas which are not easy and convenient to approach. 2.4G long distance guard tour system is a new generation product comparing to traditional ones at the aspect of functions and application fields.