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Intercom doorbell electromagnetic EMC solution

When the visual intercom system conducts the space (RE) radiation test EN55022 standard, the radiation exceeds the limit and cannot pass the test.It pass the test after the EMI filter process.

Electromagnetic radiation source in daily life Ⅳ

Warm tips: electromagnetic radiation is divided into two levels, μT andμW/ ㎝ 2. It will has a certain harm to human body if the radiation is above 0.4 μT, long-term exposure is prone to leukemia. . If radiation below 0.4 μT, the radiation is relatively safe. If severe radiation is above 10 μW/ ㎝ 2 ,

Electromagnetic radiation source in daily life III

Warm tips: electromagnetic radiation is divided into two levels, μT andμW/ ㎝ 2. It will has a certain harm to human body if the radiation is above 0.4 μT, long-term exposure is prone to leukemia. . If radiation below 0.4 μT, the radiation is relatively safe. If severe radiation is above 10 μW/ ㎝ 2 ,

Electromagnetic radiation source in daily life II

Warm tips: electromagnetic radiation is divided into two levels, μT andμW/ ㎝ 2. It will has a certain harm to human body if the radiation is above 0.4 μT, long-term exposure is prone to leukemia. . If radiation below 0.4 μT, the radiation is relatively safe. If severe radiation is above 10 μW/ ㎝ 2 ,

Electromagnetic radiation source in daily life I

Warm tips: electromagnetic radiation is divided into two levels, μT andμW/ ㎝ 2. It will has a certain harm to human body if the radiation is above 0.4 μT, long-term exposure is prone to leukemia. . If radiation below 0.4 μT, the radiation is relatively safe. If severe radiation is above 10 μW/ ㎝ 2 ,

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