11Ref Component Description See AlsoSupports a headset microphone with 4-poleTRRS 3.5mm jack. Power Connector Connects the AC adapter. P. 4Top ComponentsRef Component Description See Also Trigger Button(optional)Activates the scanning of one barcode. P. 38Bottom ComponentsRef Component Description See Also DockingConnectorConnects to the docking station (available asan option). Antenna Pass-through(optional)Connects to the docking station for usingexternal GPS/WLAN/WWAN antenna.WWANWLANGPSReserved