As character names:

U+1F521 INPUT SYMBOL FOR LATIN SMALL LETTERS character (🔡)

As raw characters:

🔡

As a string of HTML entities:

🔡

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 159, hex 0x9F, octal \237, binary 10011111
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 148, hex 0x94, octal \224, binary 10010100
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 161, hex 0xA1, octal \241, binary 10100001
This is continuation byte 3, expecting 0 more.

U+1F521	INPUT SYMBOL FOR LATIN SMALL LETTERS