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Case Study:

Celularity: Off-Air/Small Cell Hybrid DAS Architecture in Biotech Building

Biotech offices needed a combination of off-air and small cell signal sources that leveraged a combination of coaxial and CAT-6 cabling to the optimize signals from multiple carriers for a hybrid DAS solution.

Building Size
145,350 sq. ft.
System Type
Cellular DAS
AT&T, Verizon, T-Mobile
Florham Park, New Jersey
Building Type
Office, Industrial Facility, Commercial, Corporate
Medical, Manufacturing, Corporate Space
DAS Vendor
Cel-Fi, RSRF
Off-Air / Small Cell Hybrid DAS

1. The Problem

Celularity's new facility needed to enhance voice and data service for AT&T, Verizon, and T-Mobile, in a biotech facility. Structural limitations and future proofing concerns for 5G and smart building technologies required a creative hybrid solution.

Celularity reception area

Celularity is a clinical-stage biotechnology company developing off-the-shelf placental-derived allogeneic cell therapies including genetically modified and unmodified NK cells, engineered T cells including CAR-T cells, and mesenchymal-like adherent stromal cells (ASCs), targeting indications across cancer, immunologic, infectious, and degenerative diseases.

During the build out of their 145,350 square foot facilities in Florham Park, NJ, they noticed weak signal strength throughout the interior of the FDA compliant manufacturing facility.

● The building was constructed with concrete, steel, and metal all of which are known to interfere with cellular signal.

● The second and third floors of the build-out included clean rooms and laboratories which lack easy access and are constructed with materials that block cell signals and acts as a barrier for radio frequencies.

● This combination meant employees would have to go outside for cell phone coverage.

Our Process

Simple, from start to finish

1. Initial Budgetary Estimate
< 1 week
2. Design & On-Site Visit
1 to 3 weeks
3. Final Proposal
1 week
4. DAS Deployment
4-12 weeks upon approval

2. The Solution

The FCC and carrier approved hybrid DAS solution leverages, conditions, digitizes, and distributes signals from an Enterprise 4G LTE small-cell and donor antennas using a combination of ethernet and coaxial cables.

Celularity exterior at night

After a phone consultation, RSRF conducted a site walk and took signal strength readings indoors and out. Floor plans were reviewed and key personnel interviewed to gather pertinent information about current goals, priorities, and future plans.

Celularity was looking specifically for improved voice and data coverage indoors. Signal-impairing mediums needed for clean rooms, temperature controlled rooms, and laboratories were causing the problem. Outdoor coverage was strong for two of the three carriers but 5-bar service was non-existent throughout the expansive facility.

The RF signal data collected was used to create a detailed coverage report that highlighted areas of strength and concern. From there a site survey report and estimate were developed for their approval.

The solution involved the deployment of a QUATRA 4000i Off-Air / Small-Cell Hybrid DAS. An outdoor antenna on the roof takes in existing signal from AT&T and T-Mobile and feeds it directly to the QUATRA 4000i. Performance on Verizon was later upgraded to have signal provided via a Small Cell. Ethernet cables, coaxial cable, and additional antennas are used as necessary to distribute the signal throughout the building. This hybrid DAS solution provides coverage benefits to the users in the building.

3. The Results

A robust and future-proof solution that distributes signals building wide and supports 5G and smart building technology

Celularity required cellular enhancement of AT&T, Verizon, and T-Mobile throughout the office building and laboratories in Florham Park, NJ. RSRF installed a system to provide coverage for all carriers. The project was completed on-time and on-budget so that Celularity's staff can enjoy 5-bar coverage throughout the structure.

The Hybrid DAS solution installed leverages the best of active and passive design. This solution conditions and digitizes signals captured by donor antennas then distributes those signals building-wide using ethernet cables. After installation, the system was tested and adjustments made to ensure optimal signal distribution.

Final post-implementation measurements showed a drastic increase in both RSRP and SINR readings, improving voice and data service for AT&T, Verizon, and T-Mobile throughout the building.

How we're different

A partner you can trust: from quote to close-out
Vendor and Technology Neutral

We believe that no one DAS technology is right for every application. There are no silver bullets.

Instead, we carefully select the right technology for the specific signal conditions and requirements of your building.

A Deep Expertise in DAS Technology

DAS is the only thing we do.

We act as your domain expert and advocates. We help you get your questions answered, and guide you to the best solution for your unique needs.

Careful Planning, Regular Communication

Projects succeed when they’re planned carefully. We take our client’s trust seriously, ensuring that projects are delivered on time and on budget.

At every stage, we’ll keep every stakeholder, including you, in the loop. You’ll never wonder what’s happening next.
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