Is the signal radiated by Unicom or mobile signal tower harmful to human body?

There is radiation, but within the scope of national safety standards, it will not have any adverse effects on human body. The transmission towers of communication facilities are all approved by the local environmental protection bureau, and the power is very small, below 200mW, which is basically harmless to people. Cell phone signal transmission tower, scientifically known as base station antenna, generally has a transmission power of 20W~60W and frequencies of 900MHZ and 1800MHZ respectively. Generally, the antenna height of GSM base station is 35 to 55 meters, and the electromagnetic wave propagates and attenuates rapidly in the air. Secondly, electromagnetic waves will be attenuated by about 6dB (equivalent to four times) when passing through a general brick wall, and by about 20dB when passing through a wall with steel bars. At present, the 900MHz frequency bandwidth used by Unicom communication meets the safety standards as long as its electric field intensity is less than 0/2 volts per meter/kloc or its power density is less than 40 microwatts per square centimeter.