Docking Station with Dual Pass-through Antenna Connections for Panasonic's TOUGHBOOK 54 and 55 Rugged Laptop. Connectivity includes: fully-powered USB 3.0 (2), Ethernet: RJ45 Ethernet (1), serial: DB9 (9-Pin) connection (1), video: VGA (1), HDMI (1), input voltage: 15.6V DC, antenna: dual hi-gain (TNC connector).