Automatic IoT network failover
Secure, reliable connectivity for your devices. Telnyx IoT SIM Cards offer flexible data coverage with automatic network failover on 650+ networks globally, including Telstra and Optus in Australia.


Multi-network IoT SIM cards for Australia
Internet of Things (IoT) deployments hinge on secure, stable internet connectivity, and having reliable failover in your network operations is key. Telnyx IoT SIMs have access to 650+ networks worldwide and automatically switch to the best available network to provide seamless failover and maximum uptime. Connect to local networks like Telstra and Optus and expand your business globally with a single Telnyx SIM.
All Telnyx SIMs are eUICC enabled and are available as triple-size plastic SIM cards, eSIM chips (embedded MFF2) and over-the-air eSIMs.
Connect your devices on your terms
Construct and deploy a device connectivity system that suits your needs and scales with you, via one global SIM card, an intuitive management portal and flexible APIs.
Multi-carrier SIM
Use one SIM card to connect your devices to over 650 4G (LTE), 3G, 2G and LTE-M networks in over 180 countries—including Telstra and Optus in Australia. Check out our extensive coverage list.
Automatic network failover
Telnyx SIMs automatically connect to the best available network, providing a seamless connectivity experience with built-in redundancy for maximum uptime.
Pay-as-you-go pricing
Pay $1 one-time-charge per SIM and only pay for the data you use, with plans starting at $0.0125 / MB, and low fees for inactive SIMs.
Data limits, alerts, & reporting
Set custom thresholds for alerts & limits across one SIM card or a group of SIM cards. Export bespoke reports with in-depth usage data, network registrations, device locations and more.
Private LTE networks
Connect devices directly to your corporate network with Private Wireless Gateways to avoid the dangers and inefficiencies of the public internet.
Public static IP
Map public IP addresses to your SIMs so you can connect to your devices from other places on the internet, expanding their usability and making it easier to scale your IoT solution.
Say goodbye to minimum order quantities and monthly data usage lock-ins. Pay as you go, for what you need and nothing more.
Starting at:
$0.0125
Per MBBenefits
Wherever you need to go
No more managing local carriers and complex roaming agreements. Telnyx IoT SIM cards have global intelligent roaming on tier-1 networks.
180+
countries with multiple carrier options
We've got you covered
Localize your connectivity today.
650+
4G (LTE), 3G, 2G & LTE-M networks
With a single SIM
No SIM swapping, no data roaming fees.
1
EUICC Sim Card
Start building
Our code is your code.
curl -X PATCH \
--header "Content-Type: application/json" \
--header "Accept: application/json" \
--header "Authorization: Bearer YOUR_API_KEY" \
--data '{"tags": ["region_7", "int_cards"]}' \
https://api.telnyx.com/v2/sim_cards/6a09cdc3-8948-47f0-aa62-74ac943d6c58
Documentation
Explore tutorials to activate and configure IoT SIM cards on Raspberry Pi, PepWave and other popular devices. Or, browse our in-depth API reference.
Clair Global supports global connectivity with Telnyx
Learn how a seasoned events and logistics provider leverages Telnyx IoT SIM cards for reliable connectivity.
Create a private LTE network with Telnyx Wireless
Learn why private LTE networks are essential for secure IoT, and find out how to build one with Private Wireless Gateways and IoT SIM Cards.
What will you build with global IoT connectivity?
We used several different carriers before Telnyx, but it was a huge headache to manage. From data limits, to billing, to having to switch SIMs as devices moved around to different parts of the world.
Spencer Lowe
DevOps Manager, Clair Global