Raspberry Pi gains first CAT4 LTE add-on
In Summary : MechaTracks has launched the first CAT4 4G LTE HAT for the Raspberry Pi. The $222 “4GPi” add-on supports 150Mbps downloads on...
https://updatesinfosec.blogspot.com/2018/10/raspberry-pi-gains-first-cat4-lte-add-on.html

MechaTracks has launched the first CAT4 4G LTE HAT for the Raspberry Pi. The $222 “4GPi” add-on supports 150Mbps downloads on LTE bands used in Europe [...]
kindly refer the following link as follow up :
http://linuxgizmos.com/raspberry-pi-gains-first-cat4-lte-add-on/