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Compact white industrial RS485 to WiFi serial server with antenna and DIN rail bracket

SMUGDESK

SMUGDESK ElfinEW11A0 RS485 WiFi Device Server 536V -20+70°C

SKU CH-ZP48-39NDJ

Converts RS485 serial signals to WiFi and Ethernet, supports Modbus TCP/IP, operates from -20°C to +70°C with 5-36V DC power

  • Converts RS485 serial to WiFi and Ethernet
  • Modbus TCP/IP enables transparent PLC and sensor data
  • STA, AP and STA+AP modes for flexible networking
  • 536 V DC input with -20 to +70 °C industrial range
  • Complete kit includes antenna, cable and DIN rail bracket

Compact RS485-to-WiFi gateway

The SMUGDESK ElfinEW11A0 is a mini industrial serial server that converts RS485 signals to WiFi and RJ45 Ethernet for PLC and sensor networks. It supports Modbus TCP/IP transparent transmission and operates in STA, AP or STA+AP modes. The complete set includes an antenna, hybrid cable and DIN-rail bracket for rapid on-site deployment.

Verify power and network requirements

Confirm your site can supply 536V DC power and that the -20 to +70 °C operating range covers your environment. Ensure the target PLC or sensor uses RS485 Modbus RTU so the Modbus TCP/IP translation matches. Check that WiFi coverage reaches the mounting location and that a standard DIN rail is available for the supplied bracket.

Suits legacy industrial IoT retrofits

This unit fits integrators adding wireless connectivity to existing RS485 field devices without rewiring. It is not for buyers needing a different serial interface, a lower DC voltage input or operation beyond the stated temperature limits. Teams requiring multiple simultaneous protocol conversions or fibre uplinks should evaluate other hardware.

How it compares

Measured against everything we stock in Serial & USB Device Servers, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 96% of the 168 comparable items (median $335.99).

Specifications

No published specifications for this item yet.

Questions about this item

What comes in the ElfinEW11A0 whole set and what must be purchased separately?

The whole set includes an external WiFi antenna, an RS485 power hybrid cable and a DIN rail mounting carrier. A 5-36 V DC power source is required but not supplied.

Which operating mode suits my Modbus TCP/IP network — STA, AP or STA+AP?

Choose STA to join an existing WiFi network, AP to create a local hotspot for direct device access, or STA+AP to do both simultaneously for redundant paths.

How does the 20 to +70 °C rating affect reliability inside a sealed cabinet?

The industrial temperature range guarantees stable operation in factory workshops and outdoor cabinets without active cooling, even when ambient heat reaches 70 °C.

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