Although wireless standards like 3G ... called VoLTE (voice-over-LTE). Even so, a particular phone can choose to use a 4G modem, yet still use 3G-style phone connections. Until the 3G network ...

We’ve seen quite a few DIY 2G networks over the years, but the 4G field has been ... enough to have your LTE network show up in the list of available networks on your phone.