Mobile phone signal jamming airplanes? Does airplanes have an impact on cell phone signals?

First of all, I have to tell you that you imagine that you are very rich, and secondly, mobile phones are not interferable to airplanes, let alone fighter jets

Yes, it must be turned off before getting on the plane.

Influential. If you use your mobile phone to communicate on the plane, it will affect the communication of the aircraft, and if you use the mobile phone to communicate on the plane, it may cause fluctuations in the aircraft.

The frequency of the mobile phone operator is very close to the frequency of some navigation systems of the aircraft: the GPS frequency of the navigation system on the aircraft is 960 1215M, so the main reason is that the mobile phone signal will have an impact on the navigation system of this brother. Also if the phone also has a radio.

features, will also have an impact.

The European Aviation Safety Agency (EASA) came out in the face and declared that it was completely safe for flights to use mobile phones during the flight, including the take-off and landing phases of the flight.

Passengers will only be allowed to use communication devices if the airline has confirmed that the mobile phone signal will not affect the aircraft's systems. And at a height of 10,000 miles, if you want to receive a mobile network.

Signals are also completely impossible. It's just that in the future, people will no longer need to turn off their mobile phones, and more and more flights are now offering free Wi-Fi on board.

When the aircraft is below the altitude of 5000 meters, it can receive a signal, and the mobile phone has a signal; But when you exceed this height, you can't receive a mobile phone signal, and the mobile phone has no signal.

The mobile phone signal used in people's lives is supported by a wireless signal network composed of cellular base stations on the ground. The normal mobile signal coverage distance of a single base station is 5,000 meters, that is, a circle with a radius of 5,000 meters centered on the base station.

Hello, how to shield the interference of the aircraft to the wireless network and mobile phone signal: 1. Analyze the possibility of interference from the wireless networkYou may need to do this before installing the wireless network, you may wish to analyze it through the on-site investigation of radio frequency. Also, talk to the people in the facility to see what other RF equipment may be in use.

This will give you information that can help you decide what actions you need to take to reduce distractions. 2. Prevent the operation of interference sourcesAfter knowing the potential RF interference source, you can turn it off to clear the interference. This is the best way to deal with RF conflicts.

However, this method is not always practical. Let's say you can't get someone from the company next door who is using a phone to stop using their**. However, at our user's location, you can turn off the use of Bluetooth-enabled devices and the operation of microwave ovens.

3. One way to provide adequate wireless network coverage and reduce RF conflicts is to ensure that the wireless network has a strong signal that can pass through the location of its users. If the signal is weakened, then the interfering signal will naturally be more troublesome. It's like you're talking to someone and there's a plane flying by, and you have to be louder to make them hear.

Of course, this also means that you do a thorough survey of the site in order to decide on the optimal number and location of APs for access points. 4. Configure the parameters correctlyIf you are deploying a network, you should adjust the AP frequency so that it can avoid using the frequency of potential interference signals. But this method doesn't always work, but it's worth a try.

For example, microwave ovens often conflict with the upper part of the bandwidth. As a result, you may need to adjust the AP close to the microwave so that it uses only 1 or 6 channels instead of 11 channels.

1. Jammer filter, set this frequency band of the mobile phone signal as the stop band of the filter;

2. According to the frequency band: uplink interference, downlink interference;

Uplink interference: defined as interference caused by external RF interference sources to the base station in the uplink frequency band of the mobile network. Uplink interference can reduce the coverage of the base station.

Under the condition that the mobile phone has no uplink interference, the base station can receive the mobile phone signal at a distance; When uplink interference occurs, the mobile phone signal needs to be stronger than the interference signal to communicate with the base station, so the mobile phone must be closer to the base station.

Downlink Interference:

Downlink interference refers to the interference signal generated by the interference source in the downlink frequency band of the mobile network, and the mobile phone receives the interference signal, which cannot distinguish the normal base station signal, so that the mobile phone and the base station are interrupted, resulting in dropped calls or unable to assign channels.

3. According to the frequency point: co-channel interference, non-co-channel interference.