How do different providers handle coverage in remote or less common destinations

Connecting in remote or off-the-beaten-path destinations remains a significant challenge; coverage is harder to guarantee due to terrain, sparse infrastructure, and economic barriers. Factors like rugged landscapes, low population density, and the high cost of building towers often result in “dead zones,” where even providers claiming broad coverage may fall short.

This connectivity gap doesn’t just inconvenience travelers worrying about navigation or calling an Uber; it affects businesses in remote areas, IoT deployments in agriculture or environmental monitoring, emergency response teams, and more. Reliable service can mean the difference between smooth operations and costly failure.

As a response to these challenges, alternative solutions have emerged:

• eSIM platforms like Holafly automatically connect users to the strongest available partner network. However, coverage ultimately depends on the agreements the eSIM provider has with local operators. Typically, the carrier with the widest footprint in the country. In very remote or mountainous areas, if no local provider has coverage, eSIMs will also be limited.
• Signal boosters, high-gain antennas, and Wi-Fi calling can amplify weak signals, practical stopgaps in areas with partial coverage.
• Satellite and hybrid networks, including LEO (low Earth orbit) constellations and space-based backhaul, are increasingly bridging gaps, bringing connectivity to places traditional towers can’t reach.

Coverage strategies for individuals and travelers

Dual-SIM devices

Travelers frequently use dual-SIM phones or routers to maintain seamless connectivity. These devices can accommodate two SIMs (either two physical cards, a physical SIM plus an eSIM, or even dual eSIMs), allowing users to access the best available network based on coverage or cost.

Benefits:

• Flexibility: You can buy a local SIM for data and keep your home SIM active for calls or one-time passwords (OTPs).
• Cost savings: Using local tariffs with a dual-SIM setup can reduce roaming fees.
• Convenience: Many devices automatically select the strongest network, making the experience seamless.

Signal boosters

Signal boosters help amplify weak cellular signals in remote cabins, vehicles, or rural homes.

Pros and cons of signal boosters

Satellite internet and devices

When terrestrial networks are not enough, satellite solutions like Starlink, Iridium, or Globalstar step in.

Pros and cons of satellite internet

Use cases:

• Adventure travelers and digital nomads often rely on satellite solutions when hiking, camping, or navigating remote terrains. According to Airbnb, millennials booked the highest number of rural trips for spring 2025 of any age group, highlighting the growing demand for connectivity in less common destinations.
• Emergency operations and extreme environments (e.g., scientific expeditions, mountain rescues) depend on satellite systems when no other coverage exists.

Key strategies providers use to extend coverage

Connectivity solutions

Providers increasingly rely on roaming agreements, infrastructure sharing, and network partnerships to bridge coverage gaps without overextending their own infrastructure.

For instance, the FCC (Federal Communications Commission) mandates automatic roaming on a reasonable basis for services like voice and text, ensuring connectivity when outside a provider’s licensed area.

Automated network switching

Providers are deploying advanced solutions like dual-SIM routers, eUICC-enabled eSIM profiles, and intelligent firmware to automate network switching in real time.

Devices equipped with remote SIM provisioning (RSP) can download and switch SIM profiles over the air, avoiding manual SIM swaps. For consumers with eSIM-compatible devices, this typically happens automatically: the device connects to the strongest available network without requiring user intervention*.

Specialized equipment

When traditional networks fall short, providers turn to signal boosters, high-gain antennas, and satellite backup systems to maintain service.

Companies like BICS and Lynk Global are working together to extend mobile coverage directly via satellite to areas without terrestrial towers.

Sateliot, as the first LEO (low Earth orbit) satellite operator in the GSMA, supports NB-IoT connectivity in remote locations using standard cellular devices.

Failover planning

Redundancy, or failover planning, is critical for preserving connectivity in mission-critical applications like logistics, emergency response, and IoT networks.

Downtime can be extremely costly: according to Gartner, network outages may cost organizations around $5,600 per minute.

Modern system designs adopt multi-layer redundancy and automatic failover techniques to avoid service disruptions.

Why failover matters:

The role of eSIMs in remote connectivity

Simplifying carrier access 

While in many destinations eSIM providers rely on a single local partner, in large or geographically complex markets like the United States, it is common for them to have alliances with more than one network. 

In these cases, the eSIM automatically connects to the partner offering the strongest signal based on the user’s location, ensuring more comprehensive and reliable coverage.

Why this matters for travelers:

Holafly as a flexible, traveler-friendly option

Holafly’s eSIMs are positioned as a smart and convenient alternative to juggling traditional SIMs or relying on expensive roaming services:

• Wide coverage: Holafly operates in over 200 countries, a global footprint ideal for most destinations. In practice, coverage relies on partnerships with leading local carriers, which ensures strong service in cities and common travel routes, though coverage may be limited in very remote zones.
• Instant activation: After purchase, users receive the QR code via email to activate their eSIM in minutes. There is no waiting for physical delivery.
• Unlimited data plans: Many of Holafly’s offerings include unlimited data.
• No roaming fees and eco-friendly: Users pay upfront and avoid surprise charges, while also reducing plastic waste by skipping traditional SIM cards.

eSIMs as the future-ready connectivity solution

The shift toward eSIM-only devices from major brands reflects the growing importance of digital SIM technology:

• Industry-wide adoption: Google’s Pixel and Apple’s recent iPhones include eSIM-only models, signaling a broader trend toward seamless connectivity.
• Superior user experience: Instant digital activation and flexible carrier options make eSIMs convenient and effective for modern travel. However, as with all SIM technologies, coverage is not universal; it remains subject to the reach of local network infrastructure.

Alternatives when coverage is not available

When cellular coverage fails, there are viable options to stay connected or send for help, highlighting Wi-Fi, messaging apps, satellite phones, and emergency beacons.

Wi-Fi calling as a workaround

Wi-Fi calling lets users make voice calls over Wi-Fi networks when cellular signals are weak or fail entirely.

Pros and cons of Wi-Fi calling

Messaging apps over Wi-Fi

When Wi-Fi is available, messaging apps (WhatsApp, Signal, Telegram, etc.) offer an effective and data-light alternative for communication. They support text, voice notes, and voice or video calls, though they rely entirely on internet access and may be limited by bandwidth or public Wi-Fi restrictions. 

While widely used, these apps lack the reliability and emergency integration of services like Wi-Fi calling.

Satellite phones and emergency beacons (PLB)

For truly remote situations where no network exists, satellite devices and Personal Locator Beacons (PLBs) provide the most reliable lifelines.

Satellite phones and messengers

Satellite phones and messaging units like SPOT or Garmin inReach use satellite networks (e.g., Globalstar) to send texts or voice messages almost anywhere. They offer two-way communication but require subscriptions and tend to be bulkier and more expensive.

Personal Locator Beacons (PLBs)

PLBs are dedicated emergency devices that transmit an SOS distress signal on the 406 MHz frequency to the Cospas-Sarsat international satellite rescue system. They:

• Require no subscription or cellular service.
• Are registered with NOAA in the U.S. to provide responder details.
• Operate via a simple SOS button.
• Have batteries lasting 24–48 hours and are certified by the FCC.

The Cospas-Sarsat system, supported by over 45 countries, has helped rescue more than 57,000 lives worldwide in search-and-rescue events from 1982 to 2023.

Conclusion

Staying connected in remote or less common destinations requires a mix of strategies. While signal boosters and satellite networks are fundamental in areas without infrastructure, digital solutions have gained prominence for their flexibility.

Among them, eSIM technology stands out for its ability to provide seamless access and instant activation, helping bridge the coverage gap for most travelers. eSIM providers like Holafly offer global plans that simplify this process, with features like unlimited data options and activation in minutes. 

Still, it is crucial to remember that an eSIM’s effectiveness is tied to the reach of local partner networks. In truly isolated areas with no mobile signal, alternatives like satellite phones remain indispensable.Ultimately, informed planning is key. Evaluating the available options, from eSIMs for conventional travel to specialized equipment for extreme expeditions, will ensure connectivity isn’t left to chance.

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Brenda Beltrán

Content Manager

Hi, I'm Brenda Beltrán. I'm passionate about travel, technology, and video games. In 2019, I started my career as a journalist in entertainment and technology. Then, I discovered that content creation was my true calling. Now, at Holafly, I'm dedicated to sharing travel tips and experiences that will make your adventures unforgettable. ✈️ Hola, soy Brenda Beltrán, apasionada por los viajes, la tecnología y los videojuegos. Desde mis inicios en 2019 como periodista en entretenimiento y tecnología, descubrí que la creación de contenido era mi verdadera vocación. Hoy, en Holafly, me dedico a compartir consejos y experiencias de viaje para que cada una de tus aventuras sean memorables.✈️

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