Amazon.com: Ardest USB to RS485 Converter Adapter with ch340T Chip for Laptops (Win7, Win8, XP, Vista, Linux, Mac Supported) and Security Camera, Automation Devices, Controllers etc : Electronics
Amazon.com: RS485 Network Transceiver, Miniaturization Strong Penetrating Power High Wiring Density Small Light Weight FR Module Board for Transmission(868MHz) : Electronics
Amazon.com: RS485 Network Transceiver, Miniaturization Strong Penetrating Power High Wiring Density Small Light Weight FR Module Board for Transmission(868MHz) : Electronics