| Компонент | Описание | Производитель | |
| F21M08D | Monolithic Crystal Filters |
ECM Electronics Limited. |
|
| F21M08DL | Monolithic Crystal Filters |
ECM Electronics Limited. |
|
| F21M08DU | Monolithic Crystal Filters |
ECM Electronics Limited. |
|
| FT21M08D | Monolithic Crystal Filters |
ECM Electronics Limited. |
|
| FT21M08DU | Monolithic Crystal Filters |
ECM Electronics Limited. |