DAS DIRECTORY LIST


A passive public safety DAS is comprised of signal source, typically a repeater (BDA), that feeds a network of passive components to feed server antennas and provide coverage throughout a building. See BDA directory.

Typically used in small to medium sized buildings. More common solution for Public Safety than Commercial due to the use of lower frequency bands. This allows for better propagation and ability to cover larger areas with the same RF output power.


An active public safety DAS (also known as fiber DAS) is comprised of a signal source, typically a repeater that feeds into a fiber DAS headend. The signal is converted from RF to optical and distributed over fiber to multiple remote amplifier locations where it’s converted back to RF and distributed to passive networks of components and antennas. These systems are typically used in medium to large sized venues.

Product Title: SHIELD EXTEND
Type: Hybrid (Category Cable/COAX)
Supported Bands: 700, 800, 700/800 Dual-Band, Band 14
Number of Remotes: 6
Certifications: FCC Part 15, 22, 24, 27, 20, 90 / UL 2524 / NEMA 4 ISED (Canada)
Notes: The SHIELD EXTEND Class A or Class B 700MHz/800MHz channelized Emergency Responder Communications Enhancement System (ERCES) public safety solution was designed with the needs of First Responders, Building Owners, Installers, and Authorities Having Jurisdiction (AHJs) considered. SHIELD EXTEND is a complete solution, each component fully-compliant with the current International Fire Code (IFC) and National Fire Protection Association (NFPA) standards. As the public safety community evolves to include cellular LTE support, the SHIELD EXTEND is the only solution that offers true carrier-grade channelized support for FirstNet. Both LMR and LTE aggregated at the head-end, digitally-distributed over Category cable, and retransmitted through a single serving antenna or DAS field. SHIELD EXTEND is the first and only solution in the market that can easily be scaled from a single donor “BDA” deployment at 1 or 2 watts to a full-blown (single donor) “Fiber DAS” up to 6 watts. SHIELD EXTEND is best-in-class with 56 individually configurable channels on the Class A unit and 28 channels with 100Khz and 150kHz bandwidth options on the Class B variant (700MHz and 800MHz) and 1W downlink per Coverage Unit (CU) per band. Best-in-class channelized uplink squelch and micro-processor controlled automatic gain control (AGC) per time-slot, inherited from Nextivity’s carrier-grade LTE technology platform, unconditionally guarantees no interference to base stations and optimizes signal quality. SHIELD EXTEND includes all standard alarms, supports all NFPA and IFC-required monitoring, and connects to Nextivity’s carrier-grade, SOC 2 (Type 1)-certified WAVE portal, providing best-in-class on-demand remote monitoring, not just for standard alarms but also to ensure system KPIs. Where competing products require integrators to purchase pieces and parts from a variety of vendors to create a complete solution, SHIELD EXTEND offers everything from the head end (Network Unit or NU), remotes (Coverage Unit or CU), Battery Backup Unit (BBU), Remote Annunciator, Emergency Power-off Switch (EPO), and an As-Built Box. All the components are NEMA 4X rated and optimized together.
Website: SHIELD EXTEND


Product Title: CEL-FI QUATRA 4000c
Type: Hybrid (Category Cable/COAX)
Supported Bands:
Number of Remotes: 12
Certifications: FCC, UL, ISED
Notes: CEL-FI QUATRA 4000c is the market’s first neutral host active DAS hybrid cellular coverage solution with the convergence of private cellular. Combining the industry-leading cellular coverage that CEL-FI QUATRA systems are known for with CBRS private networking capabilities, QUATRA 4000c gives businesses the flexibility of expanding their wireless connectivity strategy to include a private network alongside reliable public cellular coverage. In addition to intelligent, multi-carrier signal boosting, QUATRA 4000c pairs perfectly with the Nextivity HARMONY Private Networking service to extend private networking coverage throughout the building. Perfect for a wide range of enterprise environments, CEL-FI QUATRA 4000c offers industry-leading performance, ease of installation, and speed of deployment. The solution features category cable architecture, enabling installers to get systems up and running and improve in-building cellular signals within days (compared to months of traditional DAS). From ensuring cellular coverage to providing the option of adding a private network, QUATRA 4000c allows businesses to solve connectivity challenges and be Industry 4.0 ready.