The powerful QL 420 Plus mobile printer securely and efficiently prints shipping and other 4” (102 mm) label/receipt printing applications

Communication Interface Capabilities: Wireless security features (i.e. VPN or WPA/WPA2)8 pin din (RS23 ) Selectable baud rate: 9600 to 115.2 Kbps Xon/Xoff or Hardware flow control Bluetooth option