As character names:

U+28D9 BRAILLE PATTERN DOTS-14578 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 163, hex 0xA3, octal \243, binary 10100011
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 153, hex 0x99, octal \231, binary 10011001
This is continuation byte 2, expecting 0 more.

U+28D9	BRAILLE PATTERN DOTS-14578