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5Pcs TTL to RS485 Module, Hardware Automatic Flow Control UART Serial Level Mutual Conversion Module, 3.3V-5.5V Wide Voltage 485 to TTL Converter
- Model #: C472-L5887
- $42.99 –
- Free Shipping

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PCIe Dual RS485/RS422 Serial Card with DB9 & Terminal Block Adapters, 2-Port Industrial COM Expansion Adapter
- Model #: B3EN-S2384
- $67.79 –
- Free Shipping

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4 Way USB to 485 Serial Port Converter, Industrial Grade Isolation Cable with 1500V ESD Guard for Harsh Environments, ABS Material
- Model #: CLAWB0G1MH5CNM
- $103.99 –
- Free Shipping

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4-Port PCIe RS485/RS422 Serial Expansion Card, DB9 COM Adapter with Surge Protection & Terminal Blocks for Industrial Automation
- Model #: B3EN-S2391
- $67.89 –
- Free Shipping