Code point
U+3392
Glyph appearance depends on your fonts.
U+3392
So<square> 004D 0048 007AU+3392 SQUARE MHZ is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the CJK Compatibility block.
Choose the representation you need, then copy its value.
U+3392
13202
㎒
㎒
E3 8E 92
3392
00003392
%E3%8E%92
\u3392
\u3392
\u3392
\3392