Which of the Following are the types of Electronic article surveillance (EAS)
(A). Electro-magnetic (EM) Systems
(B). Acousto-magnetic (AM) Systems
(C). Mediumwave Systems
(D). Radio Frequency (RF) Systems
1
A, B and C
2
B, C and D
3
A, C and D
4
A, B and D
5
Question Not Attempted