A Walkie Talkie Is A Two-way Radio, Which Means That Unlike A Normal Radio, It Can Both Send And Receive Information. As The Same Channel Is Used For Both Functions, This Means Only One Person Can Talk At A Time.  

Walkie-talkies Can Be Invaluable To Enable Staff To Stay In Touch In Bars, Clubs And Restaurants. They Are Especially Useful For Security / Door Supervisors, As Well As Staff In General.