SP507CB и другие
| Компонент | Описание | Производитель | |
| SP507CB | 5V, Single Chip WAN Multi-Mode Serial Transceiver |
Sipex Corporation |
 |
| SP507CF | 5V, Single Chip WAN Multi-Mode Serial Transceiver |
Sipex Corporation |
|
| SP507CF | Multi-Protocol Serial Transceivers |
Sipex Corporation |
|
| SP507CF | 5V, Single Chip WAN Multi-Mode Serial Transceiver |
Sipex Corporation |
|
| SP507CM-L | 5V Single Chip WAN Multi-Mode Serial Transceiver |
Exar Corporation |
|