The ruggedized external Airborne Access Point Model APXG-Q5420 - includes a 10/100 Ethernet port and up to two serial ports. The Airborne adapters have the most flexible port configuration options of any device in the market. The Ethernet port supports both bridged and router modes. The serial interfaces provide compatibility with RS232/422/485 devices and allow simultaneous use of all the ports in any serial data configuration.