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Distributed Antenna System

Though cellular phones have become a lot more than just “phones” these days, they still need to perform the basic function of making and receiving calls without disruption. While this typically isn’t an issue when you’re outdoors or even inside your home, it can be difficult for wireless signals to penetrate office buildings, thereby leading to spotty or inadequate coverage in certain areas. Dropped calls and poor connections can lead to unhappy clients and possibly even lost profits.

Cell phone coverage can also be an issue in heavily populated facilities or venues where thousands of people may be attempting to access the phone network at once. Sports stadiumsDistributed Antenna Systems improve cell phone services in an office and convention centers are just a few of the types of facilities that could benefit from more reliable cell coverage, while also improving the fan and attendee experience.

In buildings or venues with poor cell service, a distributed antenna system, or DAS, can serve as a valuable addition.

Distributed Antenna Systems Explained

Also commonly known as in-building wireless (IBW) solutions, distributed antenna systems work similar to how a Wi-Fi router does — except with cell coverage. Think of it like this: If you just have one wireless router in your home, then Wi-Fi-enabled devices located closest to the device are likely to get the strongest signal and best connectivity. There may even be a few “dead spots” in your home that get a very spotty signal or can’t pick up the signal at all. To resolve this, you can either move your wireless devices closer to the router, which isn’t always convenient, or you can add additional routers to your home to extend a strong Wi-Fi signal throughout it.

Distributed antenna systems work very similarly, however instead of Wi-Fi routers, DAS systems are comprised of strategically placed antennas to boost cell coverage. Distributed antenna systems typically consist of a main, or base, antenna which receives the signal from the closest cell tower and thereby distributes this signal to all the other antennas that are on the network within the venue. When the system is properly designed and implemented, it should eliminate any spotty areas and enable quality, uninterrupted cell coverage throughout a building.

About DAS Shield

While distributed antenna systems help enhance cell service within a building, one thing they cannot do is control what is happening outside of the facility. That’s where DAS Shields, a protective type of window film, can help. DAS Shields can be applied to any type of window and it works to ensure that any signal from a distributed antenna system stays within your facility. These films can also prevent Wi-Fi signals from leaving the space, which helps further minimize wireless interference, safeguard systems from hackers and enable quality coverage throughout. Essentially, DAS Shields help reduce any external RF interference on the outside, thereby helping a facility's distributed antenna system work up to its full potential. 


Contact Signals Defense today for more information on distributed antenna systems and how DAS Shield can help improve coverage throughout your facility.

Distributed Antenna System Resources

Distributed Antenna System Case Study

A Case Study of DAS Success

How do Distributed Antenna Systems Work?

How do Distributed Antenna Systems Work?