= GW16143 High Precision GNSS / GPS Mini-PCIe Card * [https://www.gateworks.com/products/mini-pcie-expansion-cards/gw16143-high-precision-gps-mini-pcie-card/ Gateworks Product Page] = Headers / Pinouts == J5 & J3 UART Headers Note, J3 uses UART2 and J5 uses UART1 from the u-blox ZED-F9P ||Pin||Signal|| ||1|| 3.3VDC + || ||2|| UART_TX || ||3|| UART_RX || ||4|| GND || == J2 Timepulse Header ||Pin||Signal|| ||1|| 3.3VDC + || ||2|| Timepulse || ||3|| Interrupt || ||4|| GND || == LEDs ||Reference||Description|| ||D1|| 3.3VDC Power || ||D2|| Timepulse || ||D3|| RTK|| ||D4|| Geofence ||