The HDP380X broadband power line carrier module from Shanghai Chuangxun Electronic Technology Co., Ltd. is a high-performance broadband power line carrier communication module based on the ARM CortexM9 CPU. It adopts OFDM modulation technology, the carrier frequency band is between 2~28MHz, and the physical layer The highest rate can reach 240Mbps, which can transmit high-definition video and audio signals.