1) External factors

Therefore, it is greatly affected by external factors, because the radio signal used by the wireless pager is transmitted in a straight line. When it encounters other objects, it will pass through the object and continue to travel forward, but the wireless signal will be transmitted after penetrating the obstacle. Weaken. The thickness, density, and refractive index of obstacles are different, and the loss caused by wireless signals is also different. Generally speaking, steel plates, concrete, glass, walls and other objects hinder wireless signals.

2) Own factors

The technical factors used by the wireless pager will also affect the transmission distance of the wireless signal transmitted by the extension to a certain extent.

1. If the transmitter uses frequency modulation technology or amplitude modulation technology, use frequency modulation technology (frequency modulation and amplitude modulation are two different transmission methods of wireless signals, similar to telecommunications and mobile phone signals).

2. What is the power of the transmitter, the wireless signal transmitted by the transmitter with the greater transmission power will be transmitted farther, and the transmission frequency used by the transmitter will also affect the transmission of the wireless signal.

3. The sensitivity of the host is also an important influencing factor. The higher the sensitivity, the weaker the wireless signal can be received by the host. On the contrary, if the sensitivity of the host is poor, the host is likely to receive the weaker wireless signal. Not the signal.

If it is found that the main unit cannot receive the extension signal, it is recommended to install a signal amplifier in the middle of the main unit and the extension, which can solve the problem of insufficient signal coverage caused by obstacles.

If the transmission of the pager is affected, it is generally affected by external factors, and the influence of its own factors is relatively small. Therefore, if the pager you are using is generally affected by transmission, then I suggest that you first check if there is any external factor!