Better idea would be to provide hex dump of data, so we know what the actual bytes are

echo |hexdump
00000000: 45 43 48 4F 20 69 73 20 - 6F 6E 2E 0D 0A          |ECHO is o
+n.  |
0000000d;
[download]

or

echo |od -tx1
0000000 45 43 48 4f 20 69 73 20 6f 6e 2e 0d 0a
0000015
[download]