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This article demonstrates the performance comparison of microstrip patch antennas using FR-4 and Rogers RT/Duroid substrates.
Microstrip patch antennas are used in wireless networking due to their flexibility, light weight, and ease of fabrication. This article discusses the designed and simulated microstrip patch antenna for WBAN networks using professional CST Studio Suite 2020 software. The antenna operating frequency was 2.5 GHz, and its substrate was made of FR-4 (lossy) and Rogers RT/Duroid 5880 PCB materials with permittivity of 4.3 and 2.2, respectively. Both materials showed good results, but Rogers RT/Duroid was better with an efficiency of 94.4% because it has excellent performance characteristics that make it more suitable for use in wearable devices. The antenna substrate and ground plane were made of copper with a substrate height of 1.58 mm for Rogers RT/Duroid and 2.8 mm for FR-4. During the research process, an antenna with low return loss and a standing wave ratio value as close as possible to unity was created.
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Alboum et al. (2025) studied this question.
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