SIMEX Integrations make cell phone towers invisible

With SIMEX, visible cell towers become architectural elements that blend seamlessly with your buildings and the cityscape.

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With SIMEX, visible cell towers become architectural elements that blend seamlessly with your buildings and the cityscape.
With SIMEX, visible cell towers become architectural elements that blend seamlessly with your buildings and the cityscape.

Giant cell towers mar the appearance of your buildings and entire cities. Yet they could just as easily be hidden from view.

How? With SIMEX.

We develop integration elements made of radiation-transparent glass fibre-reinforced plastic that look like natural building components – such as chimneys, dormers, or roof structures.

The result: a harmonious cityscape and greater acceptance among residents.

When mobile technology disrupts the appearance of buildings and cities

When mobile technology disrupts the appearance of buildings and cities

Imagine a newly constructed residential or office building: high-quality materials, large windows, a harmonious overall appearance. And on top of it all, multiple large antennas tower into the sky. It’s as if someone had placed a foreign object on top of the architecture.

When mobile technology disrupts the appearance of buildings and cities

Or a historic old town with carefully restored facades, narrow alleys, and traditional roofs. But as soon as you look up, a cell tower catches your eye, visually disrupting the entire cityscape.

Many property management companies, real estate management firms, and municipalities know this all too well.

Mobile phone technology is necessary, but it is often disruptive and immediately draws attention:

Mobile phone technology is necessary, but it’s often disruptive and immediately draws attention to itself:

Buildings appear lower in quality or lose their architectural appeal

Tenants find visible technology unattractive or disruptive

Especially in historic old towns, the overall appearance of an entire region suffers

This is why more and more local governments and property owners are looking for ways to integrate cell towers so they blend harmoniously into their surroundings instead of disturbing the view.

How can cell towers be seamlessly integrated?

Imagine if cell towers could look like natural parts of a building instead of like technical installations.
Not visible towers, but rather shapes that blend in seamlessly, such as:

01

A chimney that would normally be on the roof anyway
A chimney that would normally be on the roof anyway

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02

A barely noticeable vent pipe
A barely noticeable vent pipe

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03

A roof structure that blends in with the colour and texture of its surroundings
A roof structure that blends in with the colour and texture of its surroundings

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A building element that looks just like the existing roof tiles or facade
A building element that looks just like the existing roof tiles or facade

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The result is a cityscape where cell service continues to work, but no one consciously notices the technology anymore.

Integrations for a cell network infrastructure that doesn’t detract from the cityscape

SIMEX has been implementing mobile communications integrations for over 25 years.

SIMEX has been implementing cell network integrations for over 25 years.

Our goal: to integrate cell towers into the built environment so that they continue to function fully but are no longer perceived as a technological intrusion.

Whether it’s new construction, residential complexes, commercial buildings, or historic city centres, our integration solutions ensure that cellular towers look like structural elements that are an integral part of the building. For example:

Masonry or facade elements

Masonry or facade elements
Roof tile sections or dormers

Roof tile sections or dormers

Advertising structures or neutral roof structures

Elevator or mechanical room superstructures

Elevator or mechanical room superstructures
Chimney shafts

Chimney shafts

Ventilation systems

Ventilation Systems

The material used is glass-fibre-reinforced plastic (GRP): UV-resistant, lightweight, easily mouldable, and so radiotransparent that it was precisely measured in the laboratory to ensure that it doesn’t interfere with cellular technology.

How integrations work in practice

As a property management company, you can’t make direct structural changes to a cell tower. Those decisions are always made by the cell phone carriers or the general contractors responsible for the installation.

This is where SIMEX comes in.

We not only develop the structural integration, but also coordinate it directly with the grid operators and their partners.

It’s important to note that harmonious integration is not a disadvantage for operators. On the contrary, they benefit from it because local residents raise fewer objections, leading to greater acceptance of more sites.

This facilitates the expansion of mobile networks and reduces the coordination required for new or existing sites.

So the result is a win-win situation

For property owners:

The building retains its appearance, and residents no longer perceive the technology as an intrusion.

For the operators:

Locations are easier to set up and operate over the long term.

For cities:

The cityscape remains intact, and cell service continues to work.

Invisible cell phone antennas in 3 steps

Step 1: Coordinate with the general contractor or utility company

We work directly with the general contractor or mobile network operator to determine which integration options are technically feasible. Upon request, we can create a 3D model showing what the integrated system will look like.

Step 2: Production and delivery

Once approved, the integration is manufactured from glass-fibre-reinforced plastic (GRP). We handle the entire manufacturing and logistics process, ensuring that the integration components arrive ready for installation.

Step 3: Coordinating the installation

We coordinate the installation and oversee the work. This eliminates the need for additional coordination and ensures that the installation is completed on schedule.

During the initial phone consultation, we’ll determine which building is affected, how the cellular network is currently performing, and which integration options are generally feasible.

Here’s how you can work with us

Before we speak with general contractors or network operators, we first assess your situation. During an initial phone consultation, we determine which building is involved, how the mobile communications system is currently performing, and which integration options are generally feasible.

You’ll receive a clear initial assessment of whether integration is possible, which options seem realistic, and what the process might look like for your location.

About SIMEX: harmoniously integrated
mobile communication systems

We have been developing integrations for cellular networks for over 25 years and have successfully implemented them at more than 1,500 sites.

What began in Switzerland many years ago is now an internationally adopted approach: designing mobile communications technology so that it continues to function fully but is not perceived as a technological installation.

About SIMEX: harmoniously integratedmobile communication systems
About SIMEX: harmoniously integratedmobile communication systems

Thanks to hundreds of projects in historic old towns, residential neighbourhoods, new buildings, and commercial structures, we know exactly which designs are suitable for which types of architecture, how integrations need to be engineered, and what the technical approval process is like.

About SIMEX: harmoniously integratedmobile communication systems

From Switzerland, for projects throughout Europe

SIMEXgroup is headquartered in the Appenzell region of Switzerland. This is where we develop and design our integration solutions. The components are manufactured at certified partner facilities in France and Germany. We implement these integration solutions throughout Europe.

Frequently asked questions about integrating mobile communication systems with SIMEX

Why does cellular network infrastructure need to be integrated at all?

Visible cell towers often look out of place on roofs or facades and detract from the appearance of a building or the entire cityscape. Integration ensures that the technology is visually incorporated into the architecture without compromising its function. This leads to greater acceptance among residents and property owners and reduces disputes regarding new or existing locations.

How does integration work from a technical standpoint?

During integration, the cellular network is supplemented with components that blend in seamlessly with the roof or facade. The cladding is made of radiotransparent glass fibre-reinforced plastic (GRP) so that the equipment can continue to transmit without signal loss. Depending on the building’s form, the integration is designed to resemble a chimney flue, a dormer, a ventilation structure, or a facade element.

Can any cellular network be integrated?

In most cases, yes. The key factors are the building’s structural conditions, the operator’s technology, and the available space on the roof or facade. Thanks to the freely mouldable GRP elements, virtually any building design can be accommodated – from modern buildings to historic structures. We determine whether integration is possible in consultation with the general contractor or utility provider.

How do you choose the right model for integration?

The design is based on the building’s architecture and the technical requirements of the cellular network. Possible options include chimney shafts, roof structures, dormers, ventilation elements, and facade components. The goal is for the integration to look like a natural part of the building and to blend in seamlessly with the surrounding structure.

Who ultimately decides whether an integration will be implemented?

The final decision always rests with the mobile network operators or the general contractors carrying out the network expansion. As a property manager or owner, you cannot make any structural changes to the facility yourself.

However, you do have some influence over new or existing site agreements.
For many rooftop sites, there are long-term agreements (e.g., lasting more than ten years) between the owner and the operator. In such cases, the owner may make the renewal or amendment of the agreement contingent on the system being structurally integrated.

For new buildings or newly planned locations, integration can be specified as a requirement from the outset. Since operators rely on functional locations and need to move forward with expansion, they often agree.

SIMEX coordinates the integration solution directly with the relevant partners and ensures that the implementation is approved from both a technical and organisational standpoint.

How long does it take to implement an integration?

Once the variant has been selected and approved, the production time is typically around 4-5 weeks. The components are then delivered and installed.

Can the integration solution also be used in historic buildings?

Yes. Since the elements can be freely shaped and adapted in terms of colour and texture to match existing roof or facade areas, they can also be integrated into sensitive or historic settings. In such cases, the design is chosen with particular care to ensure that it blends well with the historic surroundings.

It is important to obtain the appropriate permit from the relevant authorities, which is mandatory for buildings designated as historic landmarks.