A string containing the new WEP key. This is a "HEX strings" — each character in the string represents one HEX digit. The string must contain 10 HEX digits for WEP64 and 26 HEX digits for WEP128. Any data in excess of these lengths is ignored. Missing digits are assumed to be 0.
WEP mode to set:
0- PL_WLN_WEP_MODE_DISABLED: WEP is to be disabled.
1- PL_WLN_WEP_MODE_64: 64-bit WEP is to be used.
0- PL_WLN_WEP_MODE_128: 128-bit WEP is to be used.