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Data-only IoT SIM on 200+ networksNationwide and worldwide

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A multi-network SIM, compared with the alternatives.

There is more than one way to connect a device to a cellular network. This page sets a Sturdy SIM beside a single-carrier SIM, a dual-SIM router, and an eSIM, and explains what each is best suited to.

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The Sturdy SIM

What you get with a Sturdy SIM

The SIM

One card for every device, in every location

An ordinary SIM belongs to one carrier, so a device is only as dependable as that carrier is at that address. A Sturdy SIM is not tied to a single carrier. It can register on more than 200 cellular networks, which lets one card serve a device wherever it is installed or wherever it travels.

  • Connects to more than 200 cellular networks
  • Not locked to any single carrier
  • One SIM to stock for every site and every device
  • Every SIM size, with 5G and LTE-M supported

Best suited to: Anyone who deploys connected devices in more than one place.

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Failover

No single carrier is a single point of failure

Carrier outages happen, and so do dead spots, tower maintenance, and congestion. A device with a single-carrier SIM simply goes offline. A device with a Sturdy SIM has other networks to turn to, because it is permitted on more than 200 of them.

  • More than one network available to each device
  • No truck roll to change a SIM
  • Protects against carrier outages and dead spots
  • 100% reliable connectivity, guaranteed

Best suited to: Equipment that must stay online without anyone on site.

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Coverage

Many coverage maps, combined on one card

Coverage maps are published one carrier at a time, and no single map is complete. A Sturdy SIM combines them. With more than 200 networks available, a device is covered wherever any one of those networks has a usable signal.

  • More than 200 cellular networks
  • Nationwide coverage across the United States
  • Roaming on carrier networks around the world
  • One SIM for domestic and international deployments

Best suited to: Rural sites, multi-state rollouts, and equipment that crosses borders.

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Pricing

Simple enough to budget in one line

Multi-carrier connectivity is often sold with a rate card: one price on this network, another on that one, and a surcharge for roaming. Sturdy SIM is sold at a single price. The network your device connects to does not change what you pay.

  • A single price across every network
  • No per-carrier or per-region rate card
  • No contract with each individual carrier
  • One account and one bill for every SIM

Best suited to: Buyers who need to forecast the cost of a deployment with confidence.

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Data Only

Built for machines, not for phones

A connected device does not make phone calls. It sends readings, receives instructions, processes a payment, or uploads a picture. Sturdy SIM provides the data connection that work requires, without the voice service that a phone plan is built around.

  • Data service for connected devices
  • No voice calling to pay for or to secure
  • Suited to unattended, always-on equipment
  • Works in unlocked cellular routers, modems, and trackers

Best suited to: Any equipment that reports, monitors, tracks, or transacts over cellular.

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Deployments

The same card in every unit, wherever it is going

When you build or deploy devices in quantity, the SIM becomes part of the product. A Sturdy SIM lets you fit the same card to every unit, ship it anywhere a cellular network reaches, and know in advance what the connectivity will cost.

  • One SIM for every unit, regardless of destination
  • No need to know the best carrier before shipping
  • A single price to build into your own pricing
  • One supplier for the whole deployment

Best suited to: Manufacturers, integrators, resellers, and operators of large fleets.

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At a glance

Ways to connect a device, side by side

OptionHow it worksNetworks availableIf a network is lostChoose it when
Single-carrier SIMA SIM and a plan from one carrierOneThe device goes offlineEvery device sits where that carrier is strong
Several single-carrier SIMsA different carrier's SIM chosen for each siteOne per deviceSomeone visits the site to change the SIMYou have very few sites and know each one well
Dual-SIM routerTwo SIMs from two carriers in one deviceTwoThe router changes to its second SIMThe hardware has two slots and you accept two accounts
eSIM (eUICC)Carrier profiles downloaded to the SIM remotelyOne per active profileA new profile is downloaded, if a connection remainsYou manage a large fleet and its profiles yourself
Sturdy SIMOne roaming SIM permitted on many networksMore than 200The device registers on another network. 100% reliability guaranteedYou want one SIM, one price, and no carrier to choose

Why Sturdy SIM

Why customers choose a multi-network SIM

200+ networks on one SIM

A single card is permitted on more than 200 cellular networks, where an ordinary SIM is permitted on one.

Nationwide and worldwide

Coverage across the major U.S. networks, and roaming on carrier networks abroad, from the same card.

Automatic failover

When the network in use is lost, the device registers on another. Connectivity is guaranteed 100% reliable.

One flat price

The price is the same whichever network your device uses. There is no rate card to study.

Built for devices

Data-only service in every SIM size, with 5G and LTE-M, for routers, trackers, sensors, and terminals.

One SIM to stock

Fit the same card to every unit, wherever it is going, and let the device find its own coverage.

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Tell us about your devices. We will send you a quote.

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