Tested on Yaesu VX-7 on 51 MHz. PRC-77 Recieves Audio just fine. Unable to open squelch on the Yaesu but displays a solid signal when PRC-77 PTT. The item "VINTAGE RT-841 PRC-77 USMC MILITARY ARMY VIETNAM WAR RECEIVER RADIO TRANSMITTER" is in sale since Friday, August 7, 2020. This item is in the category "Collectibles\Militaria\Surplus\Radios".The seller is "bigdliljohn" and is located in Brea, California. This item can be shipped to United States.