The Unicode character U+3394, displayed as ㎔ and named "Square Thz" is located in the CJK Compatibility block. This character was introduced in Unicode version 1.1 (1993). Find its HTML entities, UTF-8/UTF-16 encodings, hex values, and copy-paste details below.
㎔㎔U+3394;13204\003394\u3394\x{3394}\u{3394}u'\u3394'E38E94339400003394