General guidelines for effective radio communications include all of the following, except using 10 codes to ensure radio traffic confidentiality
Explanation:
The radio communications as they are supposed to be clear and short do not need the specific 10 codes to ensure its confidentiality, the other three points are extremely important in order to have an effective radio communication then it shows that the communication focuses more in the way the message is conveyed in relation to the use of words and clarity.
