a black yellow portable radio receiver unit with retractable antenna white backdrop

red side tilt tilted band bands bandwidth front face facing black yellow portable radios radio receivers receiver units unit retractable antenna white background isolated backdrop frequency frequencies modulation amplitude channel channels receiving station stations deejay deejays information air telecast broadcast music mp3 track tracks sound song songs multimedia memory card capacity micro charge charging handy tune tuning fine hertz vhf uhf high ultra media scan scanning