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"usb serial uart"
Rail-Mount Industrial Isolated Serial Module 4-Ch RS485 to RJ45 Ethernet Serial Server Adapter, 4-CH Independent RS485, Support Modbus Gateway/MQTT/JSON, Bi-Directional Transparent Transmission
Limited time offer, ends 10/31
$100.58
Free Shipping
Waveshare Industrial Serial Server RS485 to RJ45 Ethernet TCP/IP to Serial Module Support Rail-Mount Modbus Gateway-2PCS
Limited time offer, ends 10/31
$188.99
Free Shipping
Industrial ESP32-S3 6-Channel WiFi Relay Module, Supports W-iF-i/Blue-Too-th / RS485 Remote Control/Pico HAT, Built-in Power Isolation and Optocoupler Isolation Protection, with Rail-Mount Case
Limited time offer, ends 10/31
$70.78
Free Shipping
