Figure 5 from A 25 watt RF MEM-tuned VHF bandpass filter | Semantic Scholar
Need advice on homebrew passive VHF bandpass filter.
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VHF UHF Bandpass Filter for Radio Repeater 2m/70cm Band Cavity Filter, View vhf filter, Xinlun Product Details from Shenzhen Xinlun Communication Technology Co., Limited on Alibaba.com
RF/Microwave bandpass filter implementations, Part 3: Microstrip, coaxial, and helical filters