Serial to Dual-band Wi-Fi Converter

DTU、Serial Gateway、、、、、

Y201-W MiniLink Serial-to-WiFi DTU

Model: Y201-W

Key Features

  • Dual-band 2.4/5.8 GHz Wi-Fi supports STA/AP/Router with WPA2 security

  • Tri-mode RS485/RS232/TTL serial port handles 1.2–460.8 kbps and Modbus gateway rules

  • Embedded router offers NAT, DHCP, CLI, and cloud heartbeat for remote sites

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Overview

Palm-sized MiniLink DTU that links RS485/RS232/TTL devices to 2.4 GHz WiFi networks with AP/STA/AP+STA modes, dual sockets, and built-in Modbus gateway plus JSON telemetry.

Key Features

  • Dual-band 2.4/5.8 GHz Wi-Fi supports STA/AP/Router with WPA2 security

  • Tri-mode RS485/RS232/TTL serial port handles 1.2–460.8 kbps and Modbus gateway rules

  • Embedded router offers NAT, DHCP, CLI, and cloud heartbeat for remote sites

  • 9–36 VDC supply with reverse polarity, surge suppression, and hardware/software watchdogs

Specifications

Power SupplyVoltageDC 5~36V
Typical Current60 mA @ 12V (WiFi idle)
ProtectionReverse polarity, surge clamp, dual watchdog
Serial InterfacesOptionsRS485 / RS232 / TTL (single selectable)
Baud Rate1,200~460,800 bps
Data Bits7/8
Stop Bits1/2
ParityNONE / EVEN / ODD
PackagingLength 64–1024 bytes, gap 0–300 ms
WirelessStandardIEEE 802.11 b/g/n @ 2.4 GHz
ModesAP, STA, AP+STA
SecurityWPA/WPA2/WPA3-PSK
SocketsSocket A: TCP/UDP/HTTP/MQTT, Socket B: TCP/UDP
EnvironmentalOperating Temperature-35°C ~ +75°C (extended -40°C ~ +85°C)
Humidity5% ~ 95% RH
Dimensions74.6 × 22.6 × 18.1 mm
EnclosurePC/ABS, UL94 V-0

Documentation & Support