Over 300 networks. One SIM card.
Multi-network cellular data service
For Carlson Software GNSS receivers and tablets. AT&T, T-Mobile, and Verizon data service — plus 300+ global networks with no roaming fees.
Access our vast network of over 300 carriers in 150 countries
Our SIM card intelligently connects to the strongest available supported local cellular data network, with no roaming fees, all on 1 SIM card.
See our supported cellular networks
300+
cellular data networks
Automatically finds the strongest signal
150
countries
Almost anywhere on earth a cellular signal can be found
$0
roaming fees
Use anywhere for no extra fees
Built for field data collection
Carlson and RTK Mobile bring you a multi-network SIM card designed for surveying equipment. We know your gear — and give you step-by-step instructions to get started quickly.
Industry Specific
SIM cards and data plans designed specifically for use with RTK GNSS receivers and data collectors.
Best Coverage
Our multi-network SIM connects to over 300 worldwide carriers and automatically chooses the strongest network available.
Simple Activation
Scan the QR code on the SIM and get activated in a few minutes — no carrier contracts required.
One Size Fits All
Tri-cut SIM with punch-out Mini 2FF, Micro 3FF, and Nano 4FF sizes fits every device.
Simple, flexible plans
No carrier contracts. No hidden fees. Change your plan as your needs change.
1 GB Plan
$25 USD / month
Plus $0.010 USD per additional MB
Recommended for Listen-Listen (base or rover) or network rovers
Subscribe2 GB Plan
$30 USD / month
Plus $0.010 USD per additional MB
Recommended for tablets sending RTK data to the rover
Subscribe5 GB Plan
$45 USD / month
Plus $0.010 USD per additional MB
Recommended for RTK and moderate internet usage on tablets
SubscribeTry us
14 DAYS
Money back guarantee
If you cancel your plan within 14 days for any reason, we will refund 100% of your plan purchase price.
Ready to get connected?
Order a SIM card today, or activate one you already have — it only takes a few minutes.
Or call us for lightning fast support
+1-435-250-4112Talk with a real person, not an automaton —
11 hours a day, 8AM to 7PM EST (M–F)