YN2209 - isolated RS485 repeater

Modbus RTU Relay (C) is an advanced relay module with bistable relays, allowing output states to be retained even during power loss. Integrated galvanic isolation and surge protection, along with Modbus RTU communication, make it an ideal choice for industrial systems and building automation where reliability, safety, and energy efficiency are essential.

An industrial 4G LTE modem that provides a network solution for serial communication over a cellular network. G781 integrates the functions of a router and a serial modem, which enables easy two-way data transmission between RS485/RS232 devices and the 4G network. USR-G781-E

RS485 - Ethernet converter that provides easy communication between the RS485 and RJ45 Ethernet interface. Configurable via website or AT commands. Waveshare RS485 TO ETH (for EU)

RS232 to RS485/RS422 converter designed for professional industrial applications. It is equipped with the SP3232EEN and SP485EEN chips, which ensures fast, stable and reliable communication. Communication interfaces are connected via a DB9 connector (RS232) and a screw connector (RS485/RS422). Waveshare RS232 TO RS485/422

RS485 - Ethernet converter that provides easy communication between the RS485 and RJ45 Ethernet interface. Configurable via website or AT commands

Converter that provides easy communication between the RS485 and RJ45 Ethernet interface. It supports the Modbus RTU and Modbus TCP protocols. USR-N510

Converter that provides easy communication between RS232 and RS485 interfaces and RJ45 Ethernet. Configured via web page or AT commands. Supports the Modbus RTU and Modbus TCP protocols. USR-TCP232-410S

Modbus RTU Relay 4CH is a reliable industrial-grade relay module supporting RS485 communication with the Modbus RTU protocol. With the ability to handle high currents and a wide power supply voltage range, it is well-suited for lighting control systems, industrial automation, HVAC installations, and remote monitoring applications. Built-in protection circuits and DIN rail mounting enhance safety and facilitate integration into control cabinets.

RS232 RS485 to RJ45 Ethernet Serial Server, RS232 And RS485 Dual Channels Independent Operation, Dual Ethernet Ports, Rail-mount Industrial Isolated Serial Module, Bi-directional Transparent Transmission. RS232 RS485 TO ETH (B)

Converter that provides easy communication between RS485 and RJ45 Ethernet interface. Configured via a web page. Supports support for Modbus RTU and Modbus TCP protocols. ZLAN5143D

Industrial RS232/485 converter for Ethernet and WiFi. It is mounted on a DIN rail. Supports Modbus and MQTT protocols. Waveshare RS232 RS485 TO ETH (B)

ESP32-S3-ETH-8DI-8RO is an industrial actuator module with eight relays and eight digital inputs, providing isolated RS485 communication, wireless Wi-Fi/Bluetooth connectivity, and wired Ethernet. It is ideal for applications in automation, monitoring systems, controlling 230 V devices, and collecting data from digital sensors.

A converter that ensures easy communication between the RS232/RS485/RS422 interface and RJ45 Ethernet. It supports popular network protocols, including IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Websocket and HTTP client, as well as Modbus RTU and Modbus TCP protocols. USR-N540

SenseCAP S2110 Sensor Builder is an open-source tool for creating custom RS485 sensors using the Grove system, enabling easy IoT implementation. With the Xiao RP2040 MCU and compatibility with platforms such as Helium, TTN, and LORIOT, it offers high performance and support for data monitoring via the SenseCAP Data Logger and the SenseCAP Mate app

USR-LG206-L-P is an RS232/RS485 to LoRa communication converter operating in the 398–525 MHz band, designed for applications requiring long-range transmission and resistance to electromagnetic interference. It offers transparent data transmission between serial devices without the need for communication protocols, making it suitable for smart metering, industrial automation, infrastructure monitoring, and precision agriculture systems. With its compact design, advanced protections, and flexible configuration, it ensures reliable data transmission in both industrial and outdoor environments.

2-channel RS485 to Ethernet converter designed for industrial environment. It connects serial server, Modbus gateway, MQTT gateway, RS485 to JSON and network switch. It has two RS485 ports and two Ethernet ports with PoE function. Waveshare 2-CH RS485 TO POE ETH (B)