Ting Mobile supports devices running on both GSM and CDMA networks by utilizing the infrastructure of major network providers. Specifically, Ting uses T-Mobile's (GSM) and Verizon's (CDMA) networks to offer its services. This arrangement allows Ting to support a wide range of devices that are compatible with these networks' frequency bands.
Here's a breakdown of their network usage:
If you have a device that supports both network types, you can choose the network that best suits your coverage needs, as Ting provides flexibility in this regard.
For more detailed information, you can visit the Ting Mobile website or explore their coverage options here or on Wikipedia.