Draytek 200 manual WEP Key1-Key4

WEP Key1-Key4	Four keys can be entered here, but only one key can be
	selected at a time. The format of WEP Key is restricted to 5
	ASCII characters or 10 hexadecimal values in 64-bit
	encryption level, or restricted to 13 ASCII characters or 26
	hexadecimal values in 128-bit encryption level. The
	allowed content is the ASCII characters from 33(!) to
	126(~) except '#' and ','.

50 VigorFly 200 Series User’s Guide