The OM-DW Series ceiling-mount antennas support all popular frequency bands from 860 MHz through 5.88 GHz, eliminating the need to stock multiple antenna frequencies. They tout wide bandwidth performance and smooth omnidirectional pattern, making them suitable for a variety of wireless apps. Sporting a streamlined profile, mounting and RF connections are achieved through a single hole in the mounting surface. Pricing is less than $20 each in volume. ANTENNA FACTOR, Merlin, OR. (800) 489-1634.