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Walking through a building have you ever noticed you have "no bars" on your cell phone? Radio frequency (both radio and cellular) signals are greatly reduced when passed through dense building materials such as concrete and metal.

The solution is use of in-building systems, often known as bi-direction amplifier (BDA) systems. These systems bring wireless signals from outside the structure, amplify the signal, and then evenly distribute the signal throughout the structure.

You can maximize the effectiveness and flexibility of indoor communications by using a combination of:

  • Bi-Directional Amplifier (BDA)
  • Multiversity Indoor Antenna (MIA) - which requires no ground plane and may be mounted anywhere from a ceiling grid tile to the building's wall, depending on your application.
  • Yagi Antenna - which focuses the transmit and receive power in a single direction
A BDA System can be used in a wide variety of structures such as:
  • High-rise Buildings
  • Subways and Tunnels
  • Sports Facilities
  • Shopping Complexes
  • College Campuses
  • Airports
  • Office Buildings
  • Warehouses
  • Hospitals
  • Parking Garages
  • Basements
  • Residential Complexes
  • Shielded Structures
  • Convention Centers

Market Applications


Government agencies use a variety of wireless devices to stay in touch and access important data, and they must be able to use their cell phones, PDAs and laptops in their own offices as well as in other government buildings. As more constituents demand fast access to government officials, and disaster response becomes a critical need, coverage solutions play a much larger role.

Public Safety

Police, fire, EMS, general administration and other public safety organizations continue to use public wireless networks more to augment their private radio systems. With the increasing standards of responsiveness required of public safety groups, their wireless coverage can't afford to be unreliable—inside or out.

Utilities and Energy Companies

Energy companies and utilities are working to become more efficient and enhance communication between field workers and their office colleagues. Reliable wireless coverage throughout their facilities helps accomplish this, and can also increase the response time of utility workers in emergencies and improves the safety and security of all employees in stairwells and parking garages.

Larger Offices and Businesses

Many white-collar workers now give out their wireless phones as their primary contact number, and millions are using PDAs and other data devices over public networks. VARs and carriers working with these companies must extend wireless coverage deep into office buildings, plants and other large spaces to keep employees in touch.