Series 8.2mhz labels are fully compatible with all 8.2mhz systems and deactivators. Frequency 8.2mhza328khz Amplitude q67 Effective volume 2000cm3 Deactivation strength 0.9a/m-1.5a/m Operating distance 1.4m-1.7m Deactivation distance 25cm-30cm ( 0.82'-0.98' ) Regular cartons 38.5*23.5*20cm