Code point
U+23BB
Glyph appearance depends on your fonts.
U+23BB
SoU+23BB HORIZONTAL SCAN LINE-3 is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Technical block.
Choose the representation you need, then copy its value.
U+23BB
9147
⎻
⎻
E2 8E BB
23BB
000023BB
%E2%8E%BB
\u23BB
\u23BB
\u23BB
\23BB