| Компонент | Описание | Производитель | |
| EX-4001-EEJ-257 | Evacuated Miniature Crystal Oscillator |
Vectron International, Inc |
|
| OX-4001-EEJ-257 | Oven Controlled Crystal Oscillator |
Vectron International, Inc |
|
| OX-4001-EEJ-258 | Oven Controlled Crystal Oscillator |
Vectron International, Inc |