Directional Vs Omni Directional Antenna. We can understand that this is the first question that comes to mind while buying an antenna. Before we begin we need to understand the functionality of both. An Omni directional antenna transmits and receives signal from all direction that is 360 degrees. It is very easy to install and can connect with multiple mobile towers simultaneously.  On the other hand a directional antenna transmits and receives signal from one direction usually in the radius of 45 to 90 degrees. It is