As character names:

U+01CA LATIN CAPITAL LETTER NJ character (NJ)

As raw characters:

NJ

As a string of HTML entities:

NJ

Decoder output:

Byte number 1 is decimal 199, hex 0xC7, octal \307, binary 11000111
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 1, expecting 0 more.

U+01CA	LATIN CAPITAL LETTER NJ
	# 004E 004A