Electronic signal transmission mode
In the downlink, the donor antenna picks up the signal in the existing coverage area, and the signal outside the band pass is well isolated through the bandpass filter, and the filtered signal is amplified by the power amplifier and then transmitted again to the area to be covered. In the uplink link path, the signal of the mobile station in the coverage area is processed by the uplink amplification link in the same way and transmitted to the corresponding forest, so as to achieve the signal transmission with the mobile phone. Types of repeater According to the actual application, commonly used can be divided into broadband repeater, frequency selective repeater, optical fiber repeater, frequency shift repeater, trunk amplifier. For some other special applications, there are also some other kinds of repeater. Repeater equipment as electronic equipment, in the process of operation, in addition to some accidental failures caused by human causes, but also often due to the impact of the environment, the mutation of operating conditions and the aging of components and other reasons to produce various failures