As character names:

U+2918 RIGHTWARDS TWO-HEADED ARROW WITH TAIL WITH DOUBLE VERTICAL STROKE 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 164, hex 0xA4, octal \244, binary 10100100
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 152, hex 0x98, octal \230, binary 10011000
This is continuation byte 2, expecting 0 more.

U+2918	RIGHTWARDS TWO-HEADED ARROW WITH TAIL WITH DOUBLE VERTICAL STROKE
	= z notation finite surjective injection
	x (leftwards two-headed arrow with tail with double vertical stroke - 2B3D)