'The U.S. Army Signal Corps developed this portable 2-way radio set in 1933.  Over.'
a walkie-talkie
WALK: The U.S. Army Signal Corps developed this portable 2-way radio set in 1933.  Over.
The U.S. Army Signal Corps developed this portable 2-way radio set in 1933.  Over.
The U.S. Army Signal Corps developed this portable 2-way radio set in 1933.  Over.
"WALK"
a walkie-talkie
"WALK"