ZR6AIC: VHF 2m Low pass filter design for 146Mhz ideal for Raspberry Pi
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
Coaxial Tank V.H.F. Filter Designer
Marwyn and John's home pages
Helical Bandpass Filter Designer
DG7YBN - Technical
rf - easy to construct FM low-pass or band-pass filter - Electrical Engineering Stack Exchange