ChipCH9102 FeatureAdd the SMA and TP4054 to the board, which make it can do more things AdvantageIn terms of the power switch, we have changed the switching interaction mode, SMA antenna can enhance signal transmission Githubgithub. com/Xinyuan-LilyGO/LilyGo-LoRa-Series Data transmissionData can either be be stored on a local SD-card, transferred to cloud using LoRa WAN network or MQTT over TCP/IP, or transmitted to a local host using serial (SPI) interface