Texas Instruments TravelMate 2000 - Manual (Page 129)

Specifications
Numeric Keypad
TI Part No. 2568033-0001
Size:
Width: 3.9 inches (99 mm)
Depth: 5.5 inches (139 mm)
Height: 0.9 inches (24 mm)
Weight: 0.35 lbs (160g)
Specifications A-5