... 2. Few false alarms 3. High detection rate Wide eas detector SCC0653D *Features TX adopts four frequencies modulation technology, effectively immunes ... property), ensures high sensitivity, high detecting rate, and low false alarm rate.Advanced SMT processes, coupled with rigorous quality control, 100 ... tag: 240cm Scan rate158Hz, 168Hz, 178Hz, or 188Hz (optional)Alarm volumeHigh, medium or low optional