Dual Band Grid Antenna For 2.4GHz and 5GHz
- Supported Dual Band Frequencies: 2400-2500MHz & 5150-5850MHz
- Gain: >15dBi (with a grid size of 30x40cm)
- VSWR: <1.8
- Polarization: Vertical
Background:
A client from TaiWan got in touch with RF element, seeking a dual band grid antenna that could manage both 2.4GHz and 5GHz frequencies with a single connection point. They were after an antenna with a gain that surpassed 15dBi. We spotted a niche in the market to create something that most grid antennas can't do—operate on two frequency bands.
Challenges:
The challenge was to make an antenna that could work well on both bands at the same time, keeping the performance and gain high. Plus, it had to be affordable, fitting the client's budget without losing out on quality.
RF element's Solution:
Our engineering team took an innovative approach to tackle these challenges:
1. Dual-Band Circuit Board Development: We created a new circuit board that could support both 2.4GHz and 5GHz frequencies. This board was designed to fit within the dimensions of existing radomes, reducing the need for costly redesigns and maintaining cost efficiency.
2. High-Gain Design: To achieve the high-gain requirement (>15dBi), our engineers designed a new aluminum signal reflector. This reflector was engineered to concentrate and direct the signal more effectively, enhancing the antenna's gain through focused grid reflection.
3. Antenna Structure Optimization: Multiple iterations were conducted to adjust the antenna structure, optimizing the VSWR to ensure it was less than 1.8. This optimization was crucial for achieving the best possible performance from the dual-band grid antenna.
Performance Testing and Iterations:
Our engineers conducted extensive performance testing, making several design iterations to fine-tune the antenna's characteristics. This rigorous process ensured that the final product not only met but exceeded the client's performance expectations.
Final Product:
The result of our efforts was a dual band grid antenna that not only met the client's performance requirements but also achieved optimal working performance.
Please find an image of our dual-band grid antenna. Note that the image provided is of an initial version, intended for case analysis and studies.
