Compact UHF bandpass filter with the subwavelength metamaterial ZORs and transmission zeros for enhanced channel selectivity | Semantic Scholar
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
PWS In-Line Bandpass Filter - UHF 470-616 MHz - Professional Wireless Systems