GND1RF_IN2GND3ANT_DETECT4ANT_OFF5ANT_SHORT_N6VCC_RF7Reserved8Reserved9Reserved10Reserved11GND12Reserved13GND14Reserved15Reserved16Reserved17Reserved18GEOFENCE_STAT19RTK_STAT20Reserved21Reserved22Reserved23Reserved24Reserved25RXD226TXD227Reserved28Reserved29Reserved30Reserved31GND32VCC33VCC34Reserved35V_BCKP36GND37V_USB38USB_DM39USB_DP40GND41TXD42RXD43SDA44SCL45TX_READY46D_SEL47GND48RESET_N49SAFEBOOT_N50EXTINT51Reserved52TIMEPULSE53Reserved54GND55