President DNC520U/D Original microphone

President original microphone with up/down button for the below radio

President Grant-2
President Harry-2
President Harry-3
President Henry ASC Classic
President JFK-2
President Jackson-2
President Johnny-2
President Johnny-3
President Johnson-2 ASC
President Lincoln-2
President Taylor-2 Classic
President Taylor-3 ASC
President Teddy
President Tommy
President Truman
President Walker
Stabo XM3003e

Also suitable for fixed without up/down function:
President Harry (ASC)
President Harry Classic
President Jimmy-2
President Johnny (ASC)
President Teddy