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USR-W660 Serial RS232/485 to WiFi 6 Converter

  • $219.00
  • Save $30
  • (Exc. GST)

  • In stock with a short lead time. Ship within 5-12 days

  • $ We Ship from our stock in AU (Perth) with pickup option, and Prices are Exc. GST
  • $ We Offer Quantity Discounts for Large Orders 10+ qty (Request for Quote)
  • $ We Accept Purchase Orders & Net 30 Payment for Eligible Accounts

    USR-W660 Serial RS232/485 to WiFi 6 Converter

    USR-W660 is a powerful dual-band WiFi serial device server, which can realize data communication between serial devices and Ethernet/Wi-Fi devices. It adopts a high-performance Qualcomm quad-core processor, and the main frequency is up to 1.2 GHz. USR-W660 is equipped with 1*RS232, 1*RS485, 2*RJ45 Gigabit Ethernet port, 2.4G and 5.8G dual-band Wi-Fi. It supports Wi-Fi roaming function with fast switching time, especially suitable for mobile scenarios, such as AGV, robot, etc.

    Rich Networking MethodsUSR-W660 provides a wealth of networking methods: AP, STA, AP+STA, AP+LAN, AP+WAN, STA+LAN, STA+WAN. Through different networking methods, the data communication between the serial port device/LAN device and the remote server/LAN server can be realized, which can meet the complex network application requirements of customers.
    Fast Wi-Fi Roaming, More Stable CommunicationUSR-W660 can realize fast switching between different APs through the W-Fi roaming function. The switching time is less than 100ms, which can ensure real-time and reliable data transmission. It is very suitable for mobile scenarios such as AGV and robots.




    Power Supply

    DC: 9~36V, 2-pin terminal blocks, reverse polarity protection, surge protection

    Working Current

    Average: 700mA@12V, max: 2A @12V

    Serial port


    1 x RS485, 1 x RS232, can work simultaneously.

    Baud rates

    RS485(bps): 1200/2400/4800/9600/19200/38400/57600/115200/230400

    Data bits

    7, 8

    Stop bits

    1, 2



    Packaging Interval

    Range: 1 ~ 3000ms, default: 50ms

    Packaging Length

    Range: 5 ~ 1500 bytes, default: 1000 bytes

    Ethernet Ports


    2 x Ethernet ports: 1 x WAN/LAN(configurable), 1 x LAN


    RJ45, 10/100/1000 Mbps, compliance with IEEE 802.3, supports auto MDI/MDIX, 1.5KV network isolation transformer protection


    Standards & Frequency

    IEEE 802.11b/g/n/ac/ax,  2.4GHz & 5.8G

    Working Mode


    Data speed

    1201Mbps(5.8GHz) & 573.5Mbps(2.4GHz)


    2 x 2


    DL-OFDMA 8(8 users); UL-OFDMA (4 users)

    Covering distance

    200 meters by line of sight.Actual transmission distance depends on environment of the site.

    Wi-Fi Users

    8 +


    2 x SMA-female

    Wi-Fi Roaming

    Physical Property

    Casing material

    Metal shell, IP30 protection


    115*94*29mm(L x W x H, antenna pedestal, terminal block and DIN Rail are not included)


    Wall mounting, Din rail mounting, desktop placement


    Surge protection: level 3, IEC61000
    ESD protection: level 3, IEC61000
    EFT protection: level 3, IEC61000

    Operating temperature

    -25℃~ +70℃

    Storage temperature


    Operating humidity

    5% ~ 95% RH, non-condensing

    Storage humidity

    1% ~ 95% RH, non-condensing

    Software Function

    Network protocols


    Modbus Gateway

    Modbus RTU/TCP protocol conversion,
    Modbus multi-host polling




     standard MQTT protocol, 16 subscription topics and 16 publish topics


    AWS IOT, Alibaba cloud, PUSR cloud

    User Configuring

    Web console(HTTP)



    Pinhole reset button


    1 x RS485, 1 x RS232, 1x WLAN, 1 x RUN, 1 x PWR

    Ground protection

    Ground screw

    Serial Connector

    RS232: DB9 male

    RS485: 3-pin block terminal

    Ground Screw




    Dual Band Wi-Fi6, More Powerful Performance
    • 2.4G & 5.8G Wi-Fi, IEEE 802.11 b/g/n/ac/ax.
    • 2*2 MIMO, theoretical speed up to 1800Mbps..
    • 8+ accessible terminals.
    • AP/STA/AP+STA mode supported.
    • Wi-Fi roaming function, less than 100ms latency.
    • Multiple security authentication methods and encryption algorithms supported: mixed-psk/psk/psk2/psk2+ccmp.
    • In an open environment, the coverage distance can reach 200 meters
    Rich Product Features
    • Modbus Gateway: Modbus RTU/TCP protocol conversation, Modbus multi-host polling.
    • Support Transparant MQTT/TCP/UDP/HTTP data communication.
    • Heartbeat Packet Function: Remote server can detect abnormal disconnection from the client using this feature.
    • Registration Packet Funciton: The server can identify different clients by usingregistration packets.
    Data Transmission Encryption, More Security
    • Supports SSL/TLS encryption in TCP client, HTTP client and MQTT operation modes.
    • Supports two-way certificates authentication.
    Remote Management, Anytime, AnywhereSNMP Protocol: Users can remotely view device information, modify device parameters, and monitor device information through the SNMP protocol.It does not need to go to the site to monitor and configure devices one by one. The version of SNMP supported by this device is V2C and V3.PUSR Platform: USR-W660 cooperates with PUSR platform, users can realize remote login configuration webpage, data debugging and remote firmware upgrade functions. Users can also monitor the online/offline record of the device. With all the above functions, users can monitor and manage the device conveniently
    Industrial-Grade Design, High Reliability
    • EFT Protection: Level 3. Protect device against damage caused by instantaneous current interference in circuit, such as lightning stroke, power switch, etc.
    • ESD Protection: Level 3. Prevent electrostatic damage equipment, such as dust electrostatic, electric arc environment etc.
    • Surge Protection: Level 3. Protect devices from voltage spikessuch as lightning stroke, power switch, etc.
    • Watchdog: Hardware & software dual watchdog to ensure stable operation without downtime.
    • Wide Operation Temperature: -25℃~ 70℃.
    • Wide Power Input: 9~36V, reverse polarity protection.
    • Metal housing, IP30 protection.
    Product Details
    • Dimension: 115*94*29 mm.
    • Serial port: 1*RS232+1*RS485. RS232: 1200~115.2Kbps, DB9-Male.RS485: 1200~230.4Kbps, 3-pin terminal block. The two serial port can work simultaneously.
    • Ethernet port: 1*WAN/LAN, 1*LAN, 10/100/1000M MDI/MDIX, auto switch between cross and direct connection, 1.5KV electromagnetic isolation.
    • Power Supply: 9~36V input, 2-pin terminal block.
    • Installation: Wall mounting & DIN rail mounting.
    • Reload button: In the case of forgetting the parameters, long press to restore the factory settings.
    • Antenna Connector: 2*SMA-Female
    Packaging List
    • 1*USR-W660
    • 1*Power Supply (12V/3A )
    • 1*Female to Female Serial Cable
    • 2*Wi-Fi Antenna
    Factory AGV Transportation SolutionAs a new type of intelligent industrial equipment, the AGV car requires low-latency, accurate network data transmission, remote control in harsh environments, etc. W660 provides Wi-Fi6 and Gigabit Ethernet port to ensure high-speed data transmission. USR-W660 also supports fast roaming function, which can ensure real-time, stability control and data reporting for the AGV car.
    Smart Factory Data Collection and Transmission Via Wi-FiConnect with the serial port/network port equipment in the factory, and upload the equipment operation data to the local monitoring platform or remote platform in real time; the staff can dynamically understand the operation status of the monitored equipment through the monitoring platform.



    USR-W660 Datasheet

    USR-W660 User Manual


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