2.4G directional long-distance Reader using ISM microwave frequency band open world, has strong anti-interference ability and high speed data transmission rate, mainly used for controller with Wiegand input interface for auxiliary equipment, card reader range 3 ~ 30 meters. Characterized by advanced technology, high degree of integration, in line with the industrial use of environment, beautiful shape small, fast read card reaction, distance, low power consumption, with anti-lightning protection, stable performance, etc.