Product · United States

2pcs RS485 RS232 IO Expansion Board DC6-25V AT & Modbus RTU 4CH MOS 8CH TTL Output PLC Smart Home Controller

Product no longer available. The stores we track no longer sell it; last price seen $19.29.

Price history: 2 daily prices tracked since 2026-10-19; lowest $19.29, highest $19.29.

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