GND1DIV_ANT2GND3SCL4SDA5GND6USB_DM7USB_DP8VBUS9SIM_DATA10SIM_CLK11SIM_DET12SIM_RST13SIM_VDD14GND15GND16I2S_MCLK17PCM_CLK18PCM_SYNC19PCM_IN20PCM_OUT21GND22L11_1V823RESET24ADC25GPIO1026ISINK27GND28GND29PWRKEY30GND31GND32VBAT33VBAT34GND35RTS36DCD37TXD38RXD39DTR40CTS41RI42GND43GND44MAIN_ANT45GND46GND47GPIO3748FLIGHTMODE49STATUS50DBG_TXD51NETLIGHT52GND53GND54GNSS_ANT55GND56