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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 O
- 1. Elfin-EW42B wireless gateway converts 3.3V TTL UART serial signal to Wi-Fi and BLE 5.0
- 2. Supports STA, AP, AP+STA three network modes for flexible local IoT deployment
- 3. Built-in Modbus RTU / TCP protocol conversion for PLC, sensor and meter data transfer
- 4. Internal PCB antenna, compact module, supports bidirectional serial transparent 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 converts TTL serial data to Wi-Fi and Bluetooth 5.0 BLE. It adopts an internal PCB antenna and supports STA, AP and AP+STA mixed modes. It realizes Modbus RTU and Modbus TCP mutual conversion, widely used for connecting serial Modbus devices to LAN or cloud. It supports transparent transmission with adjustable baud rate 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 improve data security. This listing contains only the server unit, terminal part is not included.
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
- Package: Server Only, Terminal Not Included
- 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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