2. It is better to use a directional panel antenna or Yaggi antenna when the area shape is long and narrow (corridors, long
row of houses in two sides, tunnels or elevators or rural open space).
Requirements to indoor antenna installation:
• indoor antenna should be 10-15 meter distance from an outdoor antenna
• indoor antenna should be at least 2 meters above the ground
• indoor antenna should be fixed vertically with the ground.
