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Item #:
108652285
JMT Elfin-EW40B-0 Gateway RS232 to Wi-Fi & Blueandtooth Serial Server with External Antenna Support STA/AP/AP+STA Modbus RTU/TCP (Server only)
Item #:
108652285
WST 78
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Monday, August 17
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Elfin server provides RS232 interface to Wi-Fi connectivity, integrating all serial to Wi-Fi functionality in a compact size.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Versatile Connectivity
Supports RS232 to Wi-Fi and Bluetooth connectivity, allowing seamless integration with various devices and networks, making it ideal for diverse applications.
External Antenna Support
Equipped with external antenna support for enhanced signal strength and range, ensuring reliable communication in challenging environments compared to standard solutions.
Modbus Protocol Compatibility
Specifically designed for Modbus RTU/TCP applications, enabling effective communication with industrial devices, thus streamlining integration and data exchange in automation systems.
Product Details
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Industrial Automation
Ideal for connecting industrial devices to Wi-Fi networks for remote monitoring and control in factories.
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IoT Developers
Perfect for developers building IoT applications that require reliable serial communication over Wi-Fi or Bluetooth.
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Technical Support Teams
Suitable for tech teams needing to integrate legacy RS232 devices into modern network infrastructures seamlessly.
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Home Users
May not be suitable for casual home users looking for simple wireless connectivity solutions.
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Non-Technical Users
Not ideal for users with limited technical knowledge as it requires network configuration and management.
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Limited Budget
Users on a tight budget might find this product expensive compared to simpler connectivity solutions available.
Product Description
JMT Elfin-EW40B-0 Gateway RS232 to Wi-Fi & Blueandtooth Serial Server with External Antenna Support STA/AP/AP+STA Modbus RTU/TCP (Server only)
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Customer Questions & Answers
-
Question:
What is the maximum serial speed supported by the Elfin server?
Answer: The Elfin server supports a maximum serial speed of up to 230400 bps. -
Question:
Can the Elfin server be configured remotely?
Answer: Yes, the Elfin server supports remote configuration and monitoring through the IOT service. -
Question:
What power supply range is compatible with the Elfin server?
Answer: The Elfin server is compatible with a wide power supply range of 5~36V.
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MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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WST 78
Order now and get it around Monday, August 17
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Seamless RS232 to Wi-Fi connectivity.
- Supports multiple wireless standards including 802.11b/g/n and Bluetooth 5.0.
- Easy configuration through web interface and IOT service tool.
- Supports a wide range of network protocols like TCP, UDP, MQTT, and more.
- Compact dimensions of 68.5 x 35 x 17.8mm – perfect for industrial and personal applications.
- Enhanced security features with TLS/AES/DES3 support.
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