RF Retail Secuirty Antenna, eas system, store anti-theft gates Frequency: 8.2MHz Retail Secuirty AntennaFrequency:8.2MHZDimension:1600MM*480MM*200MMDetection Range:Rf Label:1100MMHard Tag:1800MMColor:GreyMaterial:Alluminum AlloyPacting Detail:1pcs/cartonG.W:9KG*2(With Digital Signal Processing, can identify effective signal)