The RAM Tough-Dock for the Panasonic CF-31 is available in an aluminum or composite enclosure. The dock offers port replication, optional Bluetooth integration, a tamper-proof lock and integrated screen support. Standard features include a Serial Port (D-sub 9 pin), Parallel Port (D-sub 25 pin), external USB ports (4 pin), two internal USB ports (4 pin), RJ-45 expansion port, external video (D-sub 15 pin), external keyboard (Mini-DIN 6 pin), external fuse power supply and a spring-loaded screen. Optional features include an internal GPS engine, wireless capability, Bluetooth support and configurable internal storage options of 2GB, 4GB, 8GB, 16GB, 32GB or 64GB.