A mobile phone is a transceiver that interacts with base stations (BS). After switching on, it is in the state of monitoring the station signal. Moreover, it periodically emits a rather powerful signal for communication with the station, which can be located at considerable distances. The power of the transmitter of the cell phone is 0.5-2 watts.
The laptop also has its own antennas in the form of Wi-Fi, Bluetooth interfaces, the power of which is much lower compared to a mobile phone. On average, it ranges up to 100 mW. If the cellular phone lies on or near the laptop, its signals are detected or detected, which can lead to distortion of sound coming out of the laptop.
What could be the consequences
The content of the article
- What could be the consequences
- Safe distance between devices
Signal detection may distort sounds coming out of a laptop or computer speakers. This is reflected in the appearance of unusual interference. They appear, as a rule, a few seconds before an incoming call. It is in this short period of time that the base station asks the mobile for the possibility of receiving an incoming call.
The transmitted electromagnetic waves of the station signal resonate with the sound waves of the speakers of a laptop or computer. If the mobile is lying on a laptop or nearby, then the speakers of the latter pick up these signals, perceiving them as sound. They decode them and reproduce in the form of cod or noise.
Attention! If interference occurs with a clock frequency of 5-10 minutes, but the phone does not ring, this may mean that the device is being tapped or a bug has been installed in it.
Similar periodic sounds may occur if the BS checks the phone's operability or its location. Sent radio waves interfere with the speakers, interfering with their operation. In this case, you can contact the service center and find out about possible technical work (for example, the mobile can be transferred to a less loaded BS).
Safe distance between devices
Phone and BS are in continuous contact. When the mobile is on, it constantly listens on the air to search for a station and sends its signal. There are no standards for the recommended distance between the phone and the computer.
Reference! If the laptop operates in the cellular radio wave range, the phone increases the power so that the BS can hear its signal. For this reason, the cell battery runs out faster.
Standards establish the distance from some devices to a person at which their operation is safe for health. For example, Wi-Fi router, femtocell (miniature cellular home station) is recommended set at a distance of 1 m. In this case, the signal action level decreases 10 times from regulatory allowable. Using this standard, you can keep your mobile at a distance of 1 m from the computer. In any case, it is much more rational than putting it on a laptop.
