Chapter 2 – Hardware Information 23Industrial Automation IoT Gateway AIOT-IGWS012.5.2 Wifi Header (CN1)Pin Signal Pin Signal1 USB2_WF_TX 2 USB2_WF_TX3 WF_PWM 4 WF_PWM5 USB2_WF_DN_L 6 USB2_WF_DN_L7 USB2_WF_PN_L 8 USB2_WF_PN_L9 GND 10 GND11 USB2_WF_LED# 12 USB2_WF_LED#13 NC 14 NC2.5.3 BT Header (CN2)Pin Signal1 BT_PWM2 USB2_BT_DN_L3 USB2_BT_PN_L4 GND2.5.4 5V IN Header (HAT1)Pin Signal Pin Signal1 +3.3V 2 +5V3 NC 4 +5V5 NC 6 GND7 NC 8 HAT_TXD9 GND 10 HAT_RXD