

DAS
CAPABILITIES
Electra Link has installed numerous DAS systems from high rise towers to campus and hospitality venues. We provide and install DAS infrastructures. We have numerous DAS partners that have head end expertise and carrier relationships to ease the burden on the client. Installation of distributed antenna systems and emergency service RF systems are regulated by city code and are mandatory in certain environments. Electra Link has the experience and partnerships to guide you through this entire process.
TYPES OF DAS
Cellular DAS
Cellular Distributed Antenna System (Cell-DAS), also known as an in-building wireless system or cellular repeater, plays a crucial role in enhancing wireless coverage and capacity in areas where traditional cell towers struggle to provide reliable service. This is especially important in locations such as office buildings, hospitals, schools, and convention centers. Traditional cell towers often have difficulty penetrating thick building materials, which results in dead zones and dropped calls inside these structures. DAS helps solve this problem by bringing the signal closer to users, effectively eliminating dead zones, reducing interference, and improving overall signal quality and capacity. With a DAS, voice and data communications experience significant enhancements in signal strength and reliability. This consistent connectivity not only benefits individual users but also drives increased revenue and productivity for businesses. Implementing a DAS is a strategic decision that empowers organizations to meet the demands of today’s connected world.
Public Safety DAS
Public Safety DAS, also known as an Emergency Responder Communication Enhancement System (ERCES), is essential for ensuring reliable radio communication for first responders, such as firefighters and police officers, during emergencies within buildings. These systems improve signal strength in areas where radio signals may be weak or obstructed by building materials, allowing responders to communicate effectively and coordinate rescue efforts while maintaining safety. Many jurisdictions mandate the installation of Public Safety DAS systems in new buildings to comply with NFPA and IFC codes. These systems are designed to operate independently of cellular networks and landlines, ensuring that communication remains possible even if those systems fail. Additionally, DAS systems can be customized to meet specific building requirements and local jurisdiction standards, providing optimal coverage in each unique environment.



CERTIFICATES & LICENSES
OSHA 10 & OSHA 30
FCC General Radiotelephone Operators License

Nextivity Cel-Fi Enterprise (Cellular) Installer
Anritsu Test Equipment
Public Safety BDA Certificates
Kaelus Test Equipment
Nextivity Public Safety Installer
Wilson Installer (Zinwave Product Line)
JMA Wireless
MANUFACTURING PARTNERS







FAQ’s
What is a distributed antenna system (DAS)?
A distributed antenna system (DAS) is a powerful network of strategically placed antennas connected to a central source, designed to enhance wireless service and eliminate dead spots in any building or area. It efficiently distributes signals from a cell tower or base station through cables and amplifiers to multiple antenna nodes, which operate as mini cell towers. DAS is essential for ensuring robust coverage and capacity in buildings where traditional signal penetration falls short.
What is the difference between Cell-DAS and WiFi?
DAS (Distributed Antenna System) and Wi-Fi are distinct wireless technologies, each serving a vital role. DAS is specifically engineered to enhance cellular network coverage within buildings and designated areas, ensuring mobile devices maintain strong and reliable signal strength. In contrast, Wi-Fi delivers wireless internet connectivity via radio frequencies, typically operating in the 2.4 GHz and 5 GHz bands. While DAS is essential for improving voice and mobile data coverage, Wi-Fi is critical for facilitating local network connections and providing internet access.
What types of buildings need a Public Safety Distributed Antenna System?
National, state, and local fire codes mandate that all new commercial buildings must provide adequate indoor radio coverage for first responders. This requirement applies to commercial buildings, multi-use properties, senior living facilities, high-capacity event centers, schools, factories, and warehouses. Compliance is not just encouraged; it is essential for ensuring the safety of all occupants.
How is a Public Safety test conducted?
Professional-grade RF spectrum analyzers are essential for measuring signal strength throughout a building, adhering to a code-specified grid pattern. The results of these tests are compiled into a comprehensive report, which must be submitted to the building owner and the local authority having jurisdiction, typically the fire department, for their review. It is the responsibility of the local authority to assess these test results and determine whether an Emergency Radio Communication Enhancement System (ERCES) is necessary.
What if a building fails the Public Safety grid test?
If a building fails the Public Safety radio-frequency test, it is mandatory to equip it with an Emergency Radio Communication Enhancement System (ERCES) that includes a robust battery backup system. A certificate of occupancy will not be granted until the building successfully passes this test. Designs for the Public Safety Distributed Antenna System (DAS) must be submitted and approved by the fire department or local building department, which will issue the necessary construction permit. After installation, the vendor is required to retest the building and submit the results to the fire department. The fire department will then conduct a final inspection and grant approval. Compliance with these requirements is non-negotiable.

Learn more about Distributed Antenna Systems (DAS) and discover its significance by accessing our white paper below. Electra Link’s team offers comprehensive support throughout the entire DAS process.
