Choice of medium
A wrong medium or an inappropriate medium chosen for communicating a message will act as a barrier to communication.
Example: On a shop floor you cannot use a long-written memo of instructions whereas your information on a new product in the market could be only through an effective and attractive advertisement
Using Chat messenger or email instead of video conferencing in important meeting or business matters in two different workplaces.
Physical Barriers
Physical Barriers are environmental factors that present or reduce the sending and receiving of communication. They include distance destructive noises and similar other interferences.