14 Nokia RoofTop™ Wireless Routing Installation Guide• Antenna mounting hardware• Antenna mast and hardware2.6.3 PolarizationPolarization refers to the direction of antenna element alignment. Forantennas to properly communicate with each other, all antenna must bealigned (polarized) in the same direction.2.6.3.1 Omnidirectional AntennaThis vertically polarized antenna can only be mounted vertically.2.6.3.2 Directional Panel Antenna• Polarization is identified by an arrow on the rear panel• Radiates from the front side and away from the mounting bracket• Can be vertically or horizontally polarized; the elements can bevertical or horizontalNOTE: If you have a combination of vertical omnidirectional antennasand directional antennas, the directional antennas must be polarizedvertically.2.6.4 Test InstallationConnect and test all of the equipment prior to completing the permanentinstallation. After confirming operation, disassemble only as much of theequipment as is necessary to permanently reinstall it.