TRI-BAND 900-1800-2100MHZ REPEATER 952KW20L-GDW (GSM,DCS,WCDMA-2G/3G/4G NETWORKS)
The signal amplifier for the mobile phone (also known as an amplifier or amplifier) consists of three main elements - an external antenna, an amplifier, and an internal antenna.
The mobile phone reception amplifier is a refresher system that includes an amplifier that receives amplification or power reception in different directions. The task of the external antenna is to receive and transmit the signal from the tower (winger) and transfer it to the amplifier. The gain of the antenna is usually not less than 7 dB and can be greater than 10 dB.