Beryllium Copper Reeds Have The Following Properties:

1. Beryllium copper reed can be repeatedly pressed 100,000 times without deformation
2. High temperature and cold resistance, good fatigue resistance, high conductivity, corrosion resistance
3. Excellent shielding performance of low and high frequency bands.
So what is the specific shielding effect? The following data is provided by industry experts and professional testing institutes:
National standard performance index division:
GB C grade:
Magnetic field: 10KHz≥70dB 150KHz≥95dB
Electric field: 200KHz-50MHz≥100dB
Plane wave: 50MHz-1GHz≥100dB
Microwave: 1GHz-10GHz≥100dB
GB B:
Magnetic field: 10KHz≥40dB 100KHz≥70dB
Plane wave: 30MHz-1GHz≥80dB
Microwave: 1GHz-6GHz≥80dB
GB test band: 14KHz, 150KHz, 15MHz, 100MHz, 450MHz, 950MHz, 2.4GHz, 6GHz
Executive standard: GB/T12190-2006 "Technical requirements and test methods for electromagnetic shielding machine room for handling confidential information"
Military standard performance index division
GJB5792-2006 Classification and measurement method of electromagnetic shield for military secret-related information system
Military Standard Class B:
Magnetic field: 10KHz-100KHz 15-37dB 100KHz-3MHz 37-70dB 3MHz-20MHz 70dB
Electricity: 20MHz -1GHz 70dB
Microwave: 1GHz-18GHz 60-70dB