means of communication

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Across
  1. 3. it is most popular means of mass communication which is just audible.
  2. 4. it is a man made object which revolves around the earth.
  3. 6. it provids information, entertainment and knowledge, also known as a fil in general.
  4. 7. it is the most common and instant means of two-way communication
Down
  1. 1. it is an instant means of comunication which can be carried and used anywhere in the world.
  2. 2. It has audio as well as vidio facility
  3. 5. it is also known as telecoping