Electronics · United States

3pcs TD521D485H DIP-9 200Kbps isolated 4.75V 5.25V RS485 Serial Communication Module for Smart Home System

Product no longer available. The stores we track no longer sell it; last price seen $21.51.

Price history: 2 daily prices tracked since 2026-10-19; lowest $21.51, highest $21.51.

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