This module is an LTE downlink reception and synchronization processing module based on programmable SoC FPGA and wideband RF front-end. It implements three core functions on a single board: cell search, frame synchronization and field strength measurement. It is a receive-only device with no transmit chain. The module can be used standalone or serve as the synchronization control unit for repeaters. This product is applicable to emergency positioning, asset tracking, illegal terminal localization, terminal monitoring in specific areas, radio communication equipment, radio signal countermeasures and other scenarios.