| Model | Description |
| LK1800 | Programmable alphanumeric keyboard, 132 Programmable Keys, Mechanical Key Lock Switch, Wedge Interface, PS/2 I/F Cable, Daisy Chain Ports, Manual, Utility Software |
| LK1800U | LK1800 with USB interface |
| LK1800-M | LK1800 with 2 Track MSR |
| LK1800U-M | LK1800 with 2 Track MSR, USB interface |