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Custom IoT Antenna Design Solution

Grand-Tek has been helping our customer designing their custom antennas for over 20 years through antenna design services. We aim to offer the most optimized antenna solution for your IoT devices.

Our antenna design services include the support of engineering experts and projects management team. We support you customizing IoT antenna and ensuring the best performances of it in your system.



We offer flexible customization services :

  • Custom Multi-Band Design Capabilities - testing any antenna up to 10 GHz
  • Maximum Performance - Antennas specifically designed to perform in your devices
  • Lower Cost Solution - Innovative idea to control your total-cost-ownerships
  • Add-on Mechanical/Thermal Requirement - Thermal simulation, ESD, environmental requirement for the most reliable connections.


Some of our testing capabilities:

Our chamber include 2D Far Field & 3D Satimo Near Field testing environment,

  • 2D Far Field Antenna Chamber – Sub 6GHz Antenna Design Verification
    • Chamber dimension: 6m*3m*3m
    • Antenna dimension constraint please contact us for more details.
  • 3D Satimo Near Field Simulation Chamber – Verification for Efficiency up to 10GHz
    • Chamber dimension: 0.9m
    • Antenna dimension constraint: 0.45m
    • Frequency: 650MHz to 10GHz
    • OTA (Over-the-air) testing capability:
      • TIS (Total Isotropic Sensitivity) test
      • TRP test (Total Radiation Pattern) test


Custom IoT Antenna Design Solution - Grand-Tek


Q&A – Antenna common issues

  • Your antenna band doesn't match your device's application

    Frequency band are based on usage and regulations. Regulations are not the same across the world. Plus, depending what your device application will be, you will need to use a certain frequency band. For example, some antenna can work in multi-band which might be too wide set of frequency if you have a single band one, then it makes your antenna less performant.
    Antenna are not interchangeable, so we advice to check which band to use and that it fits your antenna at the beginning of your project.



  • Check the directionality and Regulations

    Depending on some regulations in some countries or the environment of your antenna, it might get limited capacities. We recommend to conduct EMI testing, checking power transmission and to ensure the antenna don’t exceed the regulations.



  • Check your antenna’s connectivity

    Being also cables and connectors manufacturer for over 20 years, we advice you to check the connectivity inside your system. The type of connector used could be unsuitable for your antenna and influencing its’ performances.

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