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Common Pain Points
· Bulky size, takes up too much space in cabinet
· Legacy RS485/RS232/TTL devices hard to connect to WiFi
· Unstable in high/low temperature or harsh environments
· No support for TCP-to-TCP/IP server & IP gateway functions
Y201-W Solutions
√ Ultra-Compact Design ：Only 74.6×22.6×16mm palm-sized form factor – easily fits in tight spaces and industrial control cabinets without occupying extra room.
√ Full Serial to WiFi Bidirectional Transmission Seamless RS485/RS232/TTL to WiFi conversion with transparent bidirectional data transfer – ideal for legacy devices wireless upgrade and IoT connectivity.
√ True Industrial-Grade Durability ：Wide operating range -40~85°C extreme temperature & 5~36V DC wide voltage input – reliable performance in harsh environments with dual watchdog (hardware + software) protection.
√ Built-in Modbus Gateway Functionality ：Supports Modbus TCP ↔ Modbus RTU bidirectional conversion – perfect compatibility with PLC, HMI, SCADA and Modbus sensors, no extra gateway needed, simplifies system integration.
√ Flexible & Secure Mounting Options ：Dual installation: standard DIN rail mounting + hook/ear mounting – quick, secure deployment in industrial panels, walls or cabinets.
Technical Specifications
|
Category |
Parameter |
Detail |
|
Basic |
Size |
74.6 × 22.6 × 16 mm |
|
Basic |
Operating Temperature |
-40 ~ 85 °C |
|
Basic |
Input Voltage |
5 ~ 36V DC |
|
Wireless |
Transmit Power |
20.5 dBm Max |
|
Wireless |
Antenna Interface |
SMA (external thread inner hole) |
|
Serial |
Baud Rate |
1200 ~ 460800 bps |
|
Serial |
Data Bits / Parity / Stop Bits |
7/8, NONE/ODD/EVEN, 1/2 |
|
Software |
Protocols |
TCP/UDP/HTTP/ICMP/MQTT/DHCP/DNS |
|
Software |
Transparent Transmission |
TCP Client / UDP / MQTT Client |
True Industrial-Grade Reliability
√ Dual Watchdog (hardware + software) – prevents crashes
√ Wide voltage & wide temp design – thrives in harsh conditions
√ ESD & EMI protection – stable in noisy industrial environments
Typical Application Scenarios
Factory control cabinets • Legacy equipment wireless upgrade • Sensor networks • Industrial automation • Smart agriculture monitoring
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