Y202-W 2-Port RS232/RS485 to Wi-Fi Gateway

2 Ports Serial to Wi-Fi Converter

Y202-W links two RS232/RS485 serial ports to 2.4 GHz Wi-Fi, with AP/STA modes, Modbus RTU-to-TCP conversion and JSON upload for cabinet retrofits.

  • RS485
  • RS232
  • Dual Port
  • WiFi
  • Modbus Gateway
  • MQTT

Key Features

01

Two independent serial ports, with RS232/RS485 combinations selected by SKU and Socket A/B per port

02

Wi-Fi-only uplink using 802.11 b/g/n at 2.4 GHz, with AP, STA and AP+STA modes; no RJ45 port

03

Modbus RTU-to-TCP conversion, HTTP client, MQTT publishing and JSON upload for SCADA or cloud reporting

04

84 × 70 × 25 mm enclosure, 5–36 VDC input, Web UI setup and remote AT/HTTP OTA maintenance

Specifications

Power Supply

Voltage
DC 5~36V
Input Style
Terminal or DC jack
Typical Current
55 mA @ 12V
Operating Temperature
-40°C ~ +85°C
Humidity
5% ~ 95% RH, non-condensing

Serial Interfaces

Ports
2
Type
2 x RS232 / RS485 depending on SKU

Wireless

Standard
802.11 b/g/n 2.4 GHz
Modes
AP / STA / AP+STA

Software

Protocols
TCP / UDP / HTTP / MQTT
Gateway Function
Modbus RTU to Modbus TCP
Maintenance
Web UI, LAN discovery, micro-USB console, remote AT
Value Added Functions
JSON uploader, registration packet, heartbeat, HTTP OTA

Mechanical

Dimensions
84 x 70 x 25 mm

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