As character names:

U+21F0 RIGHTWARDS WHITE ARROW FROM WALL 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 135, hex 0x87, octal \207, binary 10000111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 176, hex 0xB0, octal \260, binary 10110000
This is continuation byte 2, expecting 0 more.

U+21F0	RIGHTWARDS WHITE ARROW FROM WALL
	= group lock