Communication system based on WiFi frequency conversion

The invention relates to the field of communication system circuit design, in particular to a WiFi frequency conversion-based communication system, which comprises a baseband signal processing module, a frequency mixing module, an MCU (Microprogrammed Control Unit) control module, a driving amplification module, a power amplification module, a low-noise amplification module and a transceiving switching module, the frequency mixing module is respectively and electrically connected with the baseband signal processing module, the MCU control module, the driving amplification module and the low-noise amplification module, the transmitting-receiving switching module is respectively and electrically connected with the power amplification module and the low-noise amplification module, the driving amplification module is electrically connected with the power amplification module, and the baseband signal processing module sends a signal to be transmitted to the frequency mixing module. After being subjected to two-sta