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AJMRTC Elfin-EW42B TTL to Wi-Fi & BLE Serial Server Gateway, Internal Antenna, STA / AP / AP+STA Mode, Modbus RTU to TCP Converter, Industrial Wireless Serial Transparent Transmission Module (Server +
- 1. Elfin-EW42B wireless gateway converts 3.3V TTL serial signal to Wi-Fi and BLE 5.0 dual wireless transmission
- 2. Supports STA, AP, AP+STA three working modes for flexible local network deployment
- 3. Built-in Modbus RTU / TCP protocol conversion for industrial PLC and sensor data acquisition
- 4. Internal PCB antenna design, compact structure, supports bidirectional transparent serial transmission
- 5. Web and PC tool configuration, OTA upgrade, TCP/UDP/MQTT/WebSocket multi-protocol support
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Overview
Specs
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AJMRTC Elfin-EW42B serial server is an industrial IoT gateway that realizes TTL serial to Wi-Fi and Bluetooth 5.0 BLE conversion. It comes with an internal antenna and supports STA, AP and AP+STA mixed network modes. It features native Modbus RTU and Modbus TCP interconversion, widely used for connecting serial Modbus sensors, meters and controllers to LAN or cloud systems. It supports transparent transmission with baud rate adjustable from 1200bps up to 230400bps. Users can configure parameters via web page or dedicated PC software, and perform remote OTA firmware upgrade. TLS, AES and DES3 encryption options improve data security for industrial control, smart cabinet and remote monitoring projects. This listing includes server and terminal part.
Specifications
- Brand: AJMRTC
- Model: Elfin-EW42B
- Serial Interface: 3.3V TTL UART
- Wireless: Wi-Fi 802.11 b/g/n + BLE 5.0
- Antenna: Internal PCB Antenna
- Network Mode: STA / AP / AP+STA
- Serial Baud Rate: 1200bps ~ 230400bps
- Protocol: Modbus RTU / TCP, TCP, UDP, MQTT, WebSocket, HTTP
- Configuration: Web page, PC IoT service tool
- Upgrade: Web OTA remote firmware upgrade
- Security: TLS v1.2, AES 128bit, DES3
- Power Input: DC 5V ~ 36V wide voltage
- Operating System: mbed
- Dimension: 68.5 × 35 × 17.8 mm
- Application: Industrial control, Modbus sensor, data acquisition, IoT serial wireless transmission
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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