Access Control System Coil

The access control reader coil has the characteristics of simple structure, artificial mucosa, high inductance precision, small distributed capacitance, high self-resonance frequency, small temperature coefficient, good stability and strong anti-interference ability. The inductor. The access control system reader coil can usually be used as a current transformer, with a wide frequency band, small size, light weight, convenient for digital measurement, and computer protection. Mainly used in various access control systems, attendance systems, punch cards system etc.

The principle of the access control card induction coil is to use various wire materials (0.012-2mm), which can be produced by automatic or semi-automatic processes such as high-quality winding, welding, measurement, etc. Its uses can be divided into sending antennas and receiving antennas; according to the use band, it can be divided into long, medium, short, ultra-short wave antennas, microwave antennas, microstrip antennas, etc.

Access control system coil size parameters (mm)