Minimum Tx and Rx frequency difference: VHF 3.5 Mhz or UHF 5 Mhz. Maximum Tx and Rx frequency difference: VHF 12 Mhz or UHF 12 Mhz. Easy to build your repeater. Fit for Motorola Repeater Enclosurer.1X New VHF or UHF DUPLEXER in new box. Any problem please feel free to contact me before you leave any feedback, I will try my best to resolve the problem quickly and amicably. The item "Good new 6 CAVITY DUPLEXER for radio repeater N connector UHF/VHF Duplexer 50W" is in sale since Monday, October 5, 2020. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Other Ham Radio Equipment". The seller is "e-star365" and is located in . This item can be shipped worldwide.