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Case Study:

Kaiser Permanente San Jose Medical Center DAS Deployment

Cellular signal was a critical need to keep patients safe in this 300,000 sq ft hospital project

Building Size
300,000 sq. ft.
System Type
Cellular DAS
AT&T, Verizon, T-Mobile
San Jose, California
Building Type
DAS Vendor
Off-Air Passive DAS

1. The Problem

A challenging hospital environment with unreliable signal

The Kaiser Permanente San Jose Medical Center is a full service, 242 licensed-bed hospital with over 400 physicians and almost 3,200 nurses. The hospital was built in the 1970s.

Like most modern hospitals, the medical teams at Kaiser use cell phones to communicate with each other. The challenge in San Jose was that in such a large building, it was difficult for signal to penetrate through the heavy concrete walls in the lower floors. The presence of a lot of large medical machinery such as MRI devices made this even tougher.

Departments like the Emergency Department on the ground floor had one or two bars and constant dropped calls. The existing unreliable coverage just wasn’t good enough - when a team urgently needed to contact a surgeon, they had to be confident they would get through every time.

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

A large installation in a busy working hospital

The hospital needed reliable signal on every floor. After a site survey, our RSRF team designed a passive Distributed Antenna System (DAS) to bring signal to the first and second floors, for a total of 300,000 sq ft coverage. Our design used a total of 8 SureCall Force5 units, 32 SureCall dome antennas, and plenum-rated cable throughout.

There were a lot of practical difficulties with the installation. The building had previously had asbestos. Although the asbestos had been mostly abated, our teams still needed to wear protective clothing and use dust tents to protect the hospital. Infection and contamination control meant that our teams had to take the highest level of care at every step, and required very restricted working hours. Unlike a lot of large installations, this was not an active construction site, or an ongoing wider refurbishment. This was a busy working hospital, and so our team began work in the evening and worked through the night.

3. The Results

Reliable signal keeping patients safe

During project handoff, our deployment team verified with the hospital IT staff that all the covered areas had 4-5 bars of LTE coverage. The result was absolutely worth the effort. Kaiser San Jose was so pleased with the results of the Force 5 passive DAS, they invited RSRF back to install another set of 5 antennas in an additional wing in the basement. The hospital now has excellent signal on every floor, allowing doctors, nurses, and administrative staff to communicate with ease.

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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