N78 is a mobile data terminal Android tablet, this is the user manual card, scan the code to get it. And we also want plug pins, USB-C cable, DC 12V power adapter, expansion cable with DB44 port. And the other end has 4 RS232, 1 USB host, 1 Ethernet, 8 GPIO, canbus and power. Hardware cables and connectors can be customized according to your requirements. Also it is a tablet for car navigation with IP67 rating, MIL-STD-810G, with front 5 physical buttons, function could be redefined according to your requirements. This linux tablet android device with edge protection. Due to the silicone protects the edges and corners, and it meets anti drop 1.5meter. The rugged tablet comes with many optional functions: WIFI, Bluetooth, 4G, GPS, NFC, ACC, Battery, Camera etc, suitable for in vehicle use.