Service Support

  • What are the factors that affect the network speed of industrial 4G routers?

    1. The software and hardware design issues of the 4G router itself The hardware/software design of the 4G router itself and the control of production quality have a direct impact on the network speed. The 4G routers of ChilinkIOT are developed by engineers in the communications industry for more...
    Read more
  • The difference between industrial routers and home routers

    The industrial cellular router is a wireless communication router for the Internet of Things, which uses the public wireless cellular network to provide users with wireless long-distance data transmission functions. It has been widely used in various fields of M2M in the entire industry chain of...
    Read more
  • You can learn about RMA service here

    Dear customers: Thank you for purchasing our equipment. In order to serve you better, we will provide you with the following service policies. Equipment quality commitment Our company promises to provide you with the equipment to ensure that the contract equipment is brand-new, original, regular ...
    Read more
  • 4G industrial router connection l2tp error 809 solution

    4G industrial router connection l2tp error 809 solution When the Win7 system is connected to VPN, error 809 appears, indicating that the network connection between the computer and the VPN server cannot be established. For the above situation, the 4G industrial router wi...
    Read more
  • The problem of 4G industrial router failure (one)

    4G industrial router The connection to the PC is normal, but the LAN indicator of the router does not light up, what's the matter? 1) Check whether the router is normally powered on and whether the DC head of the power supply is loose; 2) Check whether the network cabl...
    Read more
  • The problem of 4G industrial router failure (two)

    4G industrial router After inserting the SIM card, why the PC cannot access the Internet?  1) Check whether the 3/4G network antenna is installed properly; 1) Check whether the SIM card is installed in the correct direction, which causes the program to misjudge that the SIM card is not detected,...
    Read more
  • Basic configuration for mutual access of PPTP VPN subnet of 4G industrial router

    Basic configuration for mutual access of PPTP VPN subnet of 4G industrial router WIN2008 Server VPN server configuration 1) The status of two 4G industrial router VPN clients connected to the server is displayed. 2) The server 4G industrial router is added to the permanent static routing table ...
    Read more
  • 4G industrial router wan port network connection

    4G industrial router wan port network connection That is, the 4G industrial router does not insert the sim card, and directly connects to the existing network by wire bridge Network (main router) for Internet access or PPPoE dial-up for network connection access, and all business data traffic i...
    Read more
  • Broad application areas in the 4G industry market

    Global 4G development: LTE achieves basic coverage, and the number of users will continue to grow steadily in the future  In 2010, ITU formally established the 4G standard, and 4G entered the commercial period. According to data from the Foresight Industry Research Institute, as of the third quar...
    Read more
  • 4G DTU remote management platform using basic configuration

    4G DTU remote management platform using basic configuration 1) Write down the phone number of the SIM card in the 4G DTU, which will be used when calling DTU when sending text messages later; 1) Configure the valid mobile phone number used to send text messages to control 4G DTU to log in to the...
    Read more
  • 4G DTU pure SMS mode test

    4G DTU pure SMS mode test Run the 4G DTU program and configure the serial port settings connected to the 4G DTU as shown in the figure: 1 Configure the pure SMS operation mode as shown in the figure: 2   figure 2 Run the serial port assistant as shown in figure: 3 image 3 Connect the ser...
    Read more