Public Function StringToHex(ByVal StrToHex As String) As String
Dim strTemp   As String
Dim strReturn As String
Dim I         As Long
    For I = 1 To Len(StrToHex)
        strTemp = Hex$(Asc(Mid$(StrToHex, I, 1)))
        If Len(strTemp) = 1 Then strTemp = "0" & strTemp
        strReturn = strReturn & Space$(1) & strTemp
    Next I
    StringToHex = strReturn
End Function

Public Function HexToString(ByVal HexToStr As String) As String
Dim strTemp   As String
Dim strReturn As String
Dim I         As Long
    For I = 1 To Len(HexToStr) Step 3
        strTemp = Chr$(Val("&H" & Mid$(HexToStr, I, 2)))
        strReturn = strReturn & strTemp
    Next I
    HexToString = strReturn
End Function