TYE:TD207 Detection distance range: Large hard tag: Surpass 1.50m Small hard tag: Surpass 1.20m 5*5 soft label: Surpass 1.00m 4*4 soft label: Surpass 0.90m Technical parameter: The Scanning center frequency: 8.2 MHz ?0.05 MHz Scanning width: 7.7-8.7 MHz Outward appearance size: 1600mm*340mm*85mm Color : gray