... EAS alarm system SCC3833 2.4X4 soft label: 1.5m Hard tag: 2.0m (mini 1.6m, midi 1.8m, large 2 ... instruments.MCU processor with unique algorithm of noise analysis and tag signal recognition(Our own intellectual property), ensures high sensitivity, high ... .2MHzBandwidth0.85-1MHzMax detection range4x4 soft label: 150cm Large square tag: 200cm Scan rate158Hz, 168Hz, 178Hz, or 188Hz (optional)Alarm ...