This is our record of Amazon price changes for Advantech BB-4WSD9R BB-4WSD9R 2-4 Wire 422/485 9PIN Signal Converter, Port Powered RS-232 to RS-422/485 Converter - DB9F/DB9F (B07WZQ7PG7) since we began monitoring it.
| Price Type | Lowest Ever | Highest Ever | Current + | Average |
|---|---|---|---|---|
| Amazon | (Dec 02, 2025) | (Dec 02, 2025) | 0,00 € (Dec 02, 2025) |
Amazon Price
Dec 02, 2025 10:58 AM
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