Embedded Ethernet Module | Super Port TTL UART to Ethernet Module | MQTT/SSL serial to Ethernet
Embedded Ethernet Module | Super Port TTL UART to Ethernet Module | MQTT/SSL serial to Ethernet
Super Port TTL UART to Ethernet Module

Industrial Super Port TTL UART Ethernet module
  • TI Cortex M4 Solution
  • Modbus RTU to Modbus TCP, Modbus Polling
  • Flow Control: CTS/RTS, XON/XOFF
  • MQTT/SSL special firmware (contact sales)
  • Certifications

    General Details

     Super Port UART Ethernet Module USR-K7USR-K7 can realize bi-directional data transmission from serial UART to Ethernet.

    With IT scheme and Cortex-M4 processor

    Industrial-grade Design

    With IT scheme and Cortex-M4 processor, signal processing is more efficient and reliable.Equipped with optimized TCP/IPI protocol stack.
    Ethernet Module USR-K7 can quickly realizes bi-directional data transmission stable and reliable.
    The modules has been tested for a long time at - 40 - 85 C and 7* 24 hours stability pressure test.

    Product details of USR-K7

    Product details

    Supports five working modes of TCP Client, TCP Server, UDP Client, UDP Server and Httpd Client.

    Multiple Working Modes are Optional

    Supports five working modes of TCP Client, TCP Server, UDP Client, UDP Server and Httpd Client.
    The data transmission can be realized with simple configuration.

    USR-K7 supports working modes of UDP Client, UDP Server.

    HTTP Client mode of usr-k7


    UDP Client is a connectionless transport protocol in which
    USR-K7 can only communicate with the target port of
    the target IP.

    In UDP Server mode, the data received by serial port
    is automatically sent to the network target of the
    last communication.

    USR-K7 Supports Httpd Client Mode

    Data Submitted Directly to Web Server

    Supports the data interaction between the terminal device and the web server directly. Without considering the conversion process,
    the data request from the serial port to the HTTP server can be realized quickly by simply setting parameters.

    USR-K7 supports Virtual COM


    Virtual COM

    Solves the problem that PC software as serial port can not
    communicate with networked devices

    Disconnection identification, automatic connection

    Easy identification of dead links and auto re-connection to
    prevent data loss due to power outages and disconnections

    USR-K7 supports modbus gateway, custom build-in web page, web to serialapplications of USR-K7

    Modbus Gateway

    Polling mechanism can effectively solve the problem
    of congestion caused by data concurrency
    (firmware 3009 or higher)

    Custom built-in web page, Function of Web to Serial

    Design built-in web pages according to project requirements,
    realize web page control, web page data acquisition.

    application of USR-K7: Networked Monitoring of Medical Machinery

    Networked Monitoring of Medical Machinery

    USR-K7 can realize the data transmission between serial port and network quickly thus reducing the manpower on duty.
    At the same time,multiple medical devices can be combined into local network to realize real-time information.

    application of USR-K7: Industrial Automation Network Monitoring

    Industrial Automation Network Monitoring

    Many traditional serial port devices does not have networking capability. USR-K7 module integrated TCP/IP protocol stack
    can provide the solution of network communication between serial device to server via network
    based on socket to improve the level of industrial automation.

    application of USR-K7: Networked monitoring of medical devices

    Networked Monitoring of Medical Devices

    The power data of the distribution box needs to be collected and reported in real time.
    Tiny size module USR-K7 is industrial-grade design which can provide reliable and stable networking
    functions and suitable for the integrated project requirements of power monitoring








    Work Voltage

    DC 3.0~3.6 V,(3.3V best choice)

    Work Current



    RJ45、10/100Mbps; Auto switch between cross and direct connection

    Package type

    Pin-in package

    Baud Rate












    Network Protocol



    Static IP or DHCP




    Setup software, Web-page configuration, AT command

    Work Modem

    TCP Server/TCP Client/UDP Server/UDP Client


    Modbus Gateway: Modbus RTU to TCP, Modbus Polling

    Web to Serial

    Web socket: Web to serial

    Httpd Client


    Class RFC2217


    Customized Webpage


    Web Cache


    Serial Port Cache


    Average latency

    On Lan , the time<10ms


    Setup Software, Virtual COM software










    1.5KV Electromagnetic isolation


    35.0x19.39x18.25 mm(L*W*H)

    Work Temp


    Storage Temp


    Work Humidity

    5%~95% RH

    Storage Humidity

    5%~95% RH


    How to Buy

    Official Online ShopClick to order USR-K7
    Alibaba Online ShopClick to order USR-K7
    Contacts SalesYou can leave a message for our sales below.


     Models USR-K6 USR-K7
    DHCP, DNS, Built-in webpage, Upgrade by NET, Username & Password veryfication
    Working Tempreture -20 - 75 °C -40 - 85°C
    Baud rate 600 - 460.8Kbps 600 - 1M
    RTS/CTS No Yes
    Modbus gateway No Yes
    Max TCP Client No Yes
    HTTPD Client No Yes
    Web to UART No Yes
    Heartbeat packet No Yes
    Written MAC address No Yes
    Timeout restart No Yes
    AT Command No Yes

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