https://particle.io and https://hologram.io have almost worldwide availability for SIM's designed for this. There are probably older less-hip suppliers as well.
> have almost worldwide availability for SIM's designed for this.
They are great if you have sensors travelling to different countries or your volume isn't large enough to negotiate with a local telco.
If you are deploying many devices in one country it will be far cheaper to talk to a local telco about getting a custoomized data package for your SIM cards.
https://eseye.com is another company supplying these roaming SIM cards.
They are great if you have sensors travelling to different countries or your volume isn't large enough to negotiate with a local telco.
If you are deploying many devices in one country it will be far cheaper to talk to a local telco about getting a custoomized data package for your SIM cards.
https://eseye.com is another company supplying these roaming SIM cards.