Publish Time: 2023-06-05 Origin: Site
The basic working principle of Cell Phone Signal Boosters is: use the forward antenna (donor antenna) to receive the downlink signal of the base station into the repeater, amplify the useful signal through the low-noise amplifier, suppress the noise signal in the signal, and improve the signal-to-noise ratio ( S/N); then down-converted to IF signal, filtered by filter, IF amplified, frequency-shifted and up-converted to RF, amplified by power amplifier, and transmitted to mobile station by backward antenna (retransmission antenna).
What is Cell Phone Signal Booster?
What are the installation conditions for Cell Phone Signal Booster?
How does Cell Phone Signal Booster work?
Cell Phone Signal Booster is actually a miniature repeater that can amplify the wireless signal of a certain frequency band. We can now see many Cell Phone Signal Booster products on the Internet, but these are actually wireless repeaters in the communication industry. The signal amplifier has the limitation of operating frequency and can amplify the wireless signal of a certain frequency band. Now some of our areas have poor signal, because the area lacks base station coverage, and the wireless signals of distant base stations are further weakened after penetrating the building, so the indoor signal is even worse.
Cell Phone Signal Booster needs to install a special outdoor antenna. After receiving the signal, the indoor part is covered by the indoor antenna, which plays the role of amplifying the signal. Now we mainly use the 4G network, and the signal amplifier can be said to be effective for the 4G network. The mobile phone signal strength is defined in 4G, that is, the number of cells we see in the mobile phone signal. The main reference parameter is RSRP (Reference Signal Received Strength). But now the parameters that determine the download speed of the mobile phone, in the early stage without considering the load of the base station, the SINR value of the mobile phone plays a decisive role.
Downlink: The useful signal that can be called by the outdoor antenna is input to the host, and after being amplified by the host, it is sent to the indoor ceiling antenna for transmission. In this way, a stable and reliable signal can be received by the user's mobile phone indoors at any time. This is down.
Uplink: The signal transmitted by the indoor user's mobile phone is absorbed by the ceiling antenna, input to the host, and then amplified by the host, and then sent to the outdoor Yagi antenna for transmission to the base station. This is up.
GREETWIN Technology are committed to providing the best solutions for mobile operators, offering OEM and ODM service. Products can be customized according to different operators in the world and the output power are available from 0.01W to 20W. Comprehensive repeater will supply optimizing solutions for vehicle, office, commercial center, countryside, tunnel, Mountain. etc.