Serial Gateways

Industrial serial gateways for connecting RS232, RS485, and TTL devices to Ethernet, Wi-Fi, 4G, LoRa, MQTT, Modbus TCP, and cloud platforms.

Selection Guide

Choose by site condition first, not by model name.

Serial gateways look similar on the product shelf. The safer way is to confirm the network, serial interface and installation condition first, then compare models below.

Prepare these details before inquiry

Network: Ethernet, WiFi, 4G or LoRa
Serial side: RS485, RS232 or TTL
Protocol: Modbus RTU, transparent transmission or custom
Port count, baud rate, power supply and antenna position

Confirm the uplink network

Use Ethernet for fixed LAN cabinets, WiFi for covered workshops, 4G for remote sites, and LoRa when wiring is difficult over distance.

Confirm the serial devices

Check whether the device is RS485, RS232 or TTL, and confirm the baud rate, protocol and how many serial ports are needed.

Confirm the site limits

Power supply, antenna installation, cabinet space, metal shielding and outdoor conditions often decide whether a model works reliably.

Site condition

Typical direction

Main thing to verify

Remote cabinet or field device

Cellular serial gateway

4G band, SIM card and signal strength

Factory LAN or control room

Ethernet serial gateway

IP mode, Modbus TCP mapping and network security

WiFi-covered workshop

WiFi serial gateway

WiFi stability, coverage and power supply

Multiple serial devices

Multi-port serial gateway

Port quantity, protocol mix and polling load

Practical tip: if you are unsure, do not start by asking “which model is best”. Start with the site network and the device interface. That usually saves one round of wrong selection.

Browse models below

Prices shown do not include taxes, import duties, VAT, customs clearance fees or shipping. Final project configuration may be confirmed separately.