Disappointingly, the XR21 storage can’t be augmented because the SIM tray has no MicroSD card option. That’s annoying, and the camera, while workable ... but it also works with 4G for those without it ...

Mining Technology speaks to Ian Ross, head of private cellular networks at Ericsson, about using 5G technology in underground ...

SIM technology provides secure, flexible and scalable connectivity that is essential for powering IoT devices and ...