RAM Tough Dock&trade  Powered COMPOSITE Docking Station With Port Replication for the GETAC B300.

Material: 
High Strength Composite 

Standard Features:
Integrated Power Supply
1 Serial Port (D-sub 9 pin) 
1 Parallel Port (D-sub 25 pin) 
1 External USB 2.0 port (4 pin) 
2 Internal USB 2.0 ports (4 pin) 
RJ-45 Expansion Port
External Video (D-sub 15 pin) 
External Keyboard (Mini-DIN 6 pin) 
Enhanced Spring-Loaded Screen Support
Easy Access External Power Switch and Fuse
Mouse (Mini-DIN 6 pin) 
Headphone/Speaker (stereo phono jack)
Microphone (mono phono jack) 
Tamper Proof Lock 
High Strength Composite Enclosure
12-30 Volt DC Input 
Overcurrent / Surge Protection
Reverse Polarity Protection 
Radio Frequency Isolation 
Single RF Pass Through

Optional Features:
Internal GPS Engine 
Wireless Capable 
Bluetooth Enabled 
Internal Storage Device 
Military Grade Construction

Warranty Information:
3 year warranty on electrical and electronic parts
Lifetime warranty on mechanical parts 
Lifetime warranty on all metal parts