As character names:

U+234E APL FUNCTIONAL SYMBOL DOWN TACK JOT character (⍎)

As raw characters:

⍎

As a string of HTML entities:

⍎

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 141, hex 0x8D, octal \215, binary 10001101
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 142, hex 0x8E, octal \216, binary 10001110
This is continuation byte 2, expecting 0 more.

U+234E	APL FUNCTIONAL SYMBOL DOWN TACK JOT
	= up tack jot
	x (up tack - 22A5)