Why is there a 4G signal on the balcony, and when you enter the room, it is gone

There is a 4G signal on the balcony, but the reason why it is gone when you enter the room: the number of 4G base stations is insufficient, and the high attenuation of the 4G signal frequency band is faster.

1. The number of 4G base stations is insufficient.

The more data service users there are, the more base stations are needed, and the coverage of each base station decreases.

The frequent signal "Bermuda" in the central urban area is mainly due to the insufficient coverage of 4G single base stations. Previously, many base stations built on residential buildings were removed due to residents' concerns about radiation, resulting in more new base stations in marginal areas in recent years.

Moreover, at present, the planning and testing of base stations of domestic operators still mainly rely on manual work, and there are some blind spots.

Not always testable. In addition, on the basis of the original 3G base station, 4G is not as far as 3G, and some places cannot be covered, and there will be blind spots between the two base stations. ”

Second, the high attenuation of 4G signal frequency band is faster.

On the other hand, because of the high frequency band of the 4G signal, the attenuation is faster when crossing the barrier. At present, the frequency band used by TD-LTE is basically above 2000MHz, the penetration of this frequency band is not strong, the loss is large, and there is no problem with outdoor coverage through the base station, but in dense building areas, if there is no optimization of indoor coverage, the signal in the indoor will be affected.

In addition to the external reasons that the mobile phone has no signal, the unstable power supply of the mobile phone will also lead to the mobile phone no signal, the circuit that receives the signal is insufficient, the voltage is fluctuating, and the reception of the signal can not be stabilized.

If this happens, you can try to change the phone, if you change the phone, the situation changes is the problem of the phone itself.

The signal in the room is not good, the closer you are to the sky, the better the signal, after all, receiving the signal, there is nothing to stand in the way.

The signal has a lot to do with the surrounding environment, floor height and orientation, etc., and walls, glass or other buildings will block the signal coverage, which may cause a weak or no signal in the house.

The 4G signal is mainly affected by the distance and the strong structure of the building where it is located.

1. You have a 4G signal on the balcony, which means that you can receive the signal normally in the area covered by the 4G signal.

2. There is no signal in the room for the following reasons:

a. The structure of the house is framed, and the main structure is made of steel bars, so that information shielding will be formed, resulting in no signal.

b. There are other devices at home that interfere with the signal, so it is also impossible.

Solution: 1) Try to call 10086 or 10010 in an indoor area where there is no signal to attract a signal.

2) Surf the Internet indoors by the window as much as possible.

3) If you really don't have to be cautious, and you need to use mobile phone data, you can simply change places to surf the Internet or connect to the Internet.

Simple little device, if you are using a router, you can find a can to separate it from the middle and cut it into a floral dress. Putting it on the antenna of the router will have an enhanced signal function.

The signal is poor, don't blame you and your mobile phone for scolding the mobile company or Unicom.

The distance problem, my house has a full compartment in the living room, but not in the bathroom.

Workaround:

1) Try to call 10086 or 10010 in an indoor room where there is no signal to get a signal.

2) Try to surf the Internet indoors near a window.

3) If you really can't do it, and you need to use mobile phone data, simply change places to surf the Internet or connect to the Internet.

Buy a 4G signal amplifier to solve the problem.

Due to China's large land area and scattered population, communication resources are relatively scarce. It is very difficult to fundamentally solve this kind of problem, after all, China Mobile has limited resources for communication base stations. So in a place where the signal is not good, you can buy a 4G signal booster by yourself, so that all rooms in the house can access the Internet.

Function 1: Amplification and filtering.

The output of the pre-instrumentation amplifier is buffered into the secondary amplifier, which is a programmable gain amplifier PGA, and the amplified signal is filtered to have the flattest frequency response characteristics, and the filter is an 8th-order low-pass filter.

Its programmable cut-off frequency is from 10Hz to 100kHz, the secondary filter is the second-order active low-pass filter, which is used to eliminate digital interference, the secondary of the low-pass filter can be optionally added with a band-pass filter, and its lower cut-off frequency is set by a pull switch, and the low-pass and band-pass filters can be accessed or skipped by programming.

2. Zero-level self-calibration.

The self-calibration solution eliminates zero-point errors in different gain and filtering states by means of a self-calibrating solution that is automated by the hardware, calibrated at the factory, and stored in the module's EEPROM.

Users do not need to operate this function during normal use, if they need to modify the calibration parameters stored in the EEPROM, they need to run the calibration software provided with the product to complete the reset of the calibration parameters.

Generally, there are several reasons for this situation: 1. The coverage signal of the base station in your place is weak. 2. There are many isolation walls in the room.

3. The built-in signal device of the mobile phone itself has been dismantled. If the signal is normal, skip the third one. Workaround:

Try to call 10086 indoors to get a signal when there is no signal, try to surf the Internet or open a little window indoors near the window, but it will be a little cold on this day. Just a word of caution: if the 4G signal does not appear in the case"h""e"o"g"In this case, 4G traffic is not working, it will consume your 3G traffic, and now the implementation of 4G mobile phone is enough to send 2G traffic per month.

Therefore, the 4G single-mode traffic given by the mobile company must be used in the state of the mobile phone with 4G display, I hope it can help you.

Workaround: Try 10086 signals in the room where there is no signal, it is absolutely necessary to try to enter the window of the room or open a small window, but it is a little cold today. In the reminder:

If the 4G signal does not appear in the case of "H" E "O"G, in this case, the 4G traffic does not work and will consume your 3G data, which is now enough for the 4G phone to send 2G data per month is unusable. Therefore, the 4G single-mode traffic donated by the mobile company will be displayed in 4G on the mobile phone, I hope it can help you.

There are several reasons why there is no signal in general:

1. Your base station coverage signal is very weak.

2. There are many walls in the room.

3. The phone itself has a built-in signal device. If the call signal is normal, skip step 3.

The phone is in normal condition.

There may be one of the following reasons why there is no 4G network in the situation:

1、.Whether the identity friend can have a 4G network, if others can use it, it means that there is no problem with the current network. If you can't use it, you can contact your local customer service to report the problem

2. Whether the mobile phone card and mobile phone support 4G. You can dial out the mobile phone card and put it in other mobile phones that support 4G for testing, if it can be used, it means that the original mobile phone cannot use 4G signal; If you can't use 4G in other mobile phones, it means that the mobile phone card is not a 4G card, and you need to go to the local business hall to change the card