First published in InfraTalks, Aboitiz InfraCapital’s monthly column in The Manila Times.
According to PAG-ASA, more tropical cyclones are entering the Philippine area of responsibility more than anywhere else in the world. And when a typhoon approaches, reliable communication becomes more than a convenience – it becomes a lifeline.
For millions of Filipinos, mobile phones are essential tools for staying informed, contacting loved ones, accessing services, and coordinating daily activities. During emergencies, their importance becomes even more apparent. People rely on their phones to receive weather advisories, monitor evacuation instructions, contact emergency responders, and let family members know they are safe.
Yet these are also the moments when connectivity is most vulnerable. Typhoons, floods, and earthquakes can disrupt electricity supplies and damage critical infrastructure, threatening the mobile services people depend on precisely when they need them most.
Keeping Filipinos connected under these conditions requires more than a reliable mobile network. It also depends on the strength and resilience of the infrastructure supporting it.
The Infrastructure Behind Every Signal
Every call, message, and mobile data connection relies on a network of telecommunications facilities working together. Among these are passive telecommunications tower infrastructure or more commonly known as cell sites, where antennas and radio equipment transmit and receive signals that enable mobile connectivity.
Mobile network operators (MNOs), including Globe, Smart, and DITO, install and operate their equipment on telecommunications towers. These towers provide the physical structures needed to support network equipment, while dependable power systems help keep the equipment running.
Under normal conditions, these facilities draw electricity from commercial power grids. However, when a strong typhoon causes widespread power outages, maintaining connectivity becomes more challenging. Even if a tower remains structurally intact, extended loss of electricity can eventually interrupt the equipment’s operation.
Backup power systems are therefore essential to telecommunications resilience. Batteries can sustain operations during shorter outages, while generators can provide additional power during prolonged disruptions. Remote monitoring technologies also help operators assess site conditions and identify problems, particularly when severe weather makes physical inspections difficult.
These capabilities help bridge the gap between a power interruption and the restoration of normal electricity supplies.
Why Connectivity Matters During Disasters
During major calamities, communications become critical to both public safety and emergency response.
Government agencies, local government units, and emergency responders rely on mobile networks to share information, communicate with affected communities, and coordinate rescue operations. Connectivity also supports the delivery of relief assistance by helping responders coordinate logistics and identify areas where support is needed.
For communities facing an approaching storm, access to timely advisories can help residents prepare, make informed decisions, and evacuate when necessary. For families separated by flooding or other disasters, a functioning mobile network provides a means of reaching loved ones and confirming their safety.
Restoring communications is consequently an important consideration in disaster response. However, the ability to maintain connectivity during an emergency depends on several interconnected factors, including the condition of telecommunications facilities, the availability of electricity, and the accessibility of affected sites.
Building resilience requires preparation at every level of this infrastructure chain.
Preparing Infrastructure Before the Storm
For independent common tower companies (towercos), disaster preparedness begins well before severe weather arrives.
Structures must be designed to withstand demanding weather conditions, while backup power systems must be maintained and tested to ensure they are ready when needed. Response teams must also be equipped to address equipment failures, power interruptions, and other challenges that may arise during a calamity.
At Unity Digital Infrastructure Inc., a joint venture between Aboitiz InfraCapital, Inc. and Partners Group, these preparations form an important part of its responsibility as a licensed towerco that builds, owns, and operates telecommunications towers or cell sites.
Unity Digital designs its towers and supporting structures in accordance with the applicable requirements of the National Structural Code of the Philippines. It also conducts regular inspections and preventive maintenance to help ensure that its facilities remain structurally sound and operational.
Its towers are equipped with batteries designed to provide backup power for several hours, while critical sites have generators that can support operations for several days, depending on site conditions and fuel availability. These systems help keep the radio equipment of mobile network operators powered during commercial electricity interruptions.
Unity Digital also uses an intelligent Remote Monitoring System to observe tower conditions and remotely control certain equipment. This capability helps its teams monitor operations and respond more efficiently when problems arise.
Ahead of the rainy and typhoon seasons, Unity Digital intensifies inspections and maintenance of its facilities, including batteries and generators. It also simulates disaster conditions and prolonged power interruptions to assess the readiness of its backup systems.
When a typhoon threatens the country, Unity Digital activates its Disaster Recovery Program, preparing field teams, tools, and spare equipment for deployment. Where conditions warrant, personnel and equipment may be prepositioned near areas expected to become difficult to access, helping improve response times when infrastructure requires attention.
These measures reflect a simple but important principle: effective disaster response begins with preparation.
Keeping the Country Connected When It Counts
Telecommunication towers may not always be visible in discussions about disaster preparedness, but they are part of the infrastructure that helps communities remain connected when normal services are disrupted.
For companies like Unity Digital, investing in resilient structures, maintaining reliable backup power, deploying remote monitoring technology, and preparing trained field teams are ways of supporting the continuity of mobile connectivity during emergencies.
While no single company can guarantee uninterrupted communications under every disaster scenario, strengthening the infrastructure that supports mobile networks helps improve their ability to withstand disruptions and recover more quickly.
As the Philippines continues to face typhoons, flooding, earthquakes, and other natural hazards, resilient telecommunications infrastructure remains an important part of national preparedness. Keeping people connected helps communities stay informed, enables responders to coordinate their work, and gives families a vital means of reaching one another.
The towers that make this possible may go largely unnoticed in everyday life. But when disaster strikes, their role becomes unmistakable.
Because keeping Filipinos connected is not just about maintaining a signal. It is about helping people stay informed, reach out for help, and remain connected when they need it most.
