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Industrial 4G/3G LTE Modem Router, Serial to Cellular Modem USR-G781-AU

  • $249.00
  • Save $50
  • (Exc. GST)

  • Available in stock

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  • $ We Ship from our stock in AU (Perth), and Prices (AUD) are Exc. GST
  • $ We Offer Quantity Discounts for Large Orders (Request for Quote)
  • $ We Accept Purchase Orders & Net30 Payment for Educational Institutes
  • Industrial 4G/3G LTE Modem Router, Serial to Cellular Modem USR-G781-AU (Antenna Included)

    Freq. Bands: B1-B2-B3-B5-B7-B8-B20-B28 (Telstra and all other AU providers)

    USR-G781 is a 4G/3G Router and Serial Data Transmit Unit. USR-G781 provide a serial to cellular networking solution. Industrial Ethernet device or serial device can use G781 to access the internet database.

    List of Australia 4G LTE Frequencies


    Note: This kit includes the antenna, AU power adapter, and DB9 cable.

                                                   Operation Band
            Network Type G781 (Asia ) G781-E (Europe ) G781-AU ( Australia ) G781-A ( USA ) G781-V ( USA )
    4G FDD-LTE 1/3 1/3/5/7/8/20 1/2/3/4/5/6/7/8/28 2/4/12 4/13
    TDD-LTE 38/39/40/41 38/39/40/41 40
    3G WCDMA/HSPA/UMTS 1/8 1/8 1/2/5/8 2/4/5
    2G GPRS/GSM/EDGE 3/8 3/8 2/3/5/8

    Features of Industrial 4G LTE Modem router, Serial to Cellular Modem

    • OPEN WRT, support multiple developments
    • 2 RJ45 port, one can be WAN or LAN port and another one can be LAN port.
    • Support VPN(PPTP) client.
    • Support static routing
    • Support Firewall and QoS
    • Support DDNS
    • Support NTP to check the time.
    • Support TCP/UDP client mode and server mode.
    • Support identity packet and heartbeat packet.
    • Support Serial to HTTP format
    • Support upgrading firmware via FTP.
    • Integrated Hardware and software watchdog timer.


    [AT Command] USR-G781-AT-Command-Set_V1.0.0


    USR-G781 Datasheet

    [Certificate] M2M-Router-CE-Certificates

    [Certificate] USR-G781-4G-LTE-Modem-Router-ROHS2.0-2019

    Development Files



    [USR-VCOM] VCOM_Setup_V4.0.4.4.exe

    [USR-TCP-Test] USR-TCP232-Test-V1.3

    [USR-G781] Setup Software V1.0.0.0



    Wired Ethernet Port
    WAN port WAN *1
    LAN port LAN * 1
    one can be WAN or LAN port and another one can be LAN port
    Band of G781
    TDD-LTE Band 38/39/40/41
    FDD-LTE Band 1/3
    WCDMA Band 1/8
    GPRS Band 3/8
    Band of G781-E
    FDD-LTE Band 1/3/5/7/8/20
    TDD-LTE Band 38/40/41
    WCDMA Band 1/5/8
    GPRS Band 3/8
    Band of G781-V
    FDD-LTE Band 4/13
    Band of G781-A
    FDD-LTE Band 2/4/12
    WCDMA Band 2/4/5
    Band of G781-AU
    FDD-LTE Band 1/2/3/4/5/7/8/28
    TDD-LTE Band 40
    WCDMA Band 1/2/5/8
    GPRS Band 2/3/5/8
    SIM card&Antenna
    SIM/USIM Card standard 6 pin SIM card, 3V/1.8V SIM card
    Antenna SMA port,5dBi full-frequency antenna
    Working Temp -25℃- 85℃
    Storage Temp -40℃- 125℃
    Working Humidity 10%~90%
    Storage Humidity 5%~90%
    Power Supply
    Working Voltage DC 9V~36V
    Working Current average:180mA@12V,Max:300mA @12V

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