Code point
U+1843
Glyph appearance depends on your fonts.
U+1843
LmU+1843 MONGOLIAN LETTER TODO LONG VOWEL SIGN is a Unicode 16.0.0 character in the Modifier Letter category. It belongs to the Mongolian block.
Choose the representation you need, then copy its value.
U+1843
6211
ᡃ
ᡃ
E1 A1 83
1843
00001843
%E1%A1%83
\u1843
\u1843
\u1843
\1843