1. Eas System/Rf 8.2MHz Antenna 2. With DSP, can filer the false signals accurately 3. Specification:1,570 x 520 x 130 mm Eas System /Rf SystemIncorporate leading-edge digital signal processingFrequency: 8.2MHzDetection range: RF label 1,100mm, Hard Tag 1800mm Color: Transparent Material: AcrylicSpecification:1,570 x 520 x 130 mm Deluxe Eas System (RF)