Uncover the Secret Behind Ham Radio Duplexers

Today I show what a duplexer does on a repeater, how they are tuned and how you can eliminate interference with other types of filters. Learn more about repeaters 👉    • Ham Radio Repeaters   🎥 Watch more recent videos here: https://www.youtube.com/@HamRadioDX/f... ⏱️Chapters⏱️ 0:00 What is a duplexer/cavity filter 1:46 Vari-Notch filters 2:33 Bandpass filters Some links are affiliate and I may receive a small commission on sales ► GET 5% OFF Messi & Paoloni Coax - Use Coupon: VK7HH https://messi.it/ ► $15 OFF at Radioddity - http://radioddity.refr.cc/haydenvk7hh ► Gear I Recommend: https://www.amazon.com/shop/hamradiodx Support Ham Radio DX: ► Patreon:   / hamradiodx   ► YouTube Memberships:    / @hamradiodx   ► PayPal Tip Jar: https://www.paypal.com/donate?hosted_... ► Buy Ham Radio on Amazon & eBay: https://geni.us/HamRadioDX ► Merch: https://hamradiodx.myspreadshop.com/ Items in My Shack: ► https://www.hamradiodx.net/vk7hh-shack Contact Me: ► Website: https://hamradiodx.net ► Facebook:   / vk7hh   ► Instagram:   / hamradiodx   ► Twitter:   / hamradiodx   ► Discord:   / discord   ► Email: [email protected] (note due to high level of email - if you have a question the best way to contact is via the comments section of the video) ► Ham Mail: Hayden Honeywood - P.O Box 5071, Sandy Bay Tasmania 7005 Australia #HamRadio #AmateurRadio #Duplexer Music: Bensound: https://www.bensound.com/royalty-free... Epidemic Sound: https://www.epidemicsound.com/