| Компонент | Описание | Производитель | |
| CH1788 | 5 V, Surface mount PLCC 2400bps modem |
List of Unclassifed Manufacturers |
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| CH1788-3 | 3.3 V, Surface mount PLCC 2400bps modem |
List of Unclassifed Manufacturers |
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| CH1788-3ET | 3.3 V, Surface mount PLCC 2400bps modem |
List of Unclassifed Manufacturers |
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| CH1788-ET | 5 V, Surface mount PLCC 2400bps modem |
List of Unclassifed Manufacturers |