| Feature |
Prime |
Stellar |
| Dimensions |
18.62"
L
x 8.06 " D
x 2.62" H |
20.62"
L
x 8.06 " D
x 2.62" H |
| Weight (product
only) |
4
lbs, 6oz |
4
lbs, 14oz |
| Weight (in
box) |
7
lbs |
8
lbs |
| Warranty (Repair
or Replacement) |
2-Year
Limited |
2-Year
Limited |
| Maximum contact
rating |
12
VDC, 100mA |
12
VDC, 100mA |
| Operation travel |
3.5mm + .05mm (0.138 in.) |
3.5mm + .05mm (0.138 in.) |
| Type of contact |
Mechanical |
Mechanical |
| Key depression
force |
70 grams
+ 25 grams |
70 grams
+ 25 grams |
| Operation temp |
-20° C to 60° C
(-4° F to 140° F) |
-20° C to 60° C
(-4° F to 140° F) |
| Contact
resistance |
1 Ohm maximum |
1 Ohm maximum |
| Storage
temp |
-30°C to 70°C (-22°F to 158°F) |
-30°C to 70°C (-22°F to 158°F) |
| Contact bounce |
5 ms maximum |
5 ms maximum |
| Keys in layout |
104 |
116 |
| Validation rate
adjustment |
from 0.008
to 1.85 sec. |
from 0.008
to 1.85 sec. |
| Num, Caps, & Scroll lock LED’s |
Y |
Y |
| Number of function keys across top & left side |
12 |
24 |
| “N” key rollover for speed |
Y |
Y |
| Non-slip pop-up back legs |
Y |
Y |
| Inverted “T” cursor control keypad |
Y |
Y |
| Comma/period lock-locks out < > |
Y |
Y |
| Colon lock - no need to hit shift |
Y |
Y |
| Calculator style numeric keypad |
Y |
Y |
| Alps click/tactile mechanical keys |
Y |
Y |
| Voltage |
5 VDC + 0.1
VDC, 200ma |
5 VDC + 0.1
VDC, 200ma |
| Extra large Backspace key; “L” shaped enter key |
Y |
Y |
| Delay rate
adjustment |
from 0.20
to 1.85 sec. |
from 0.20
to 1.85 sec. |
| Interchangeable Ctrl, Caps Lock, & Alt keys on
left; Ctrl and Alt on right |
Y |
Y |
| Adjustable repeat rate within any
application |
from 0.54
to 125 CPS |
from 0.54
to 125 CPS |
| Standard “QWERTY” keyboard layout |
Y |
Y |
| Windows based programming |
Y |
Y |
| Remap individual keys to any other key |
Y |
Y |
| Complete Macro programming features |
Y |
Y |
| FCC Class B certified |
Y |
Y |
