In order to know if the area you are in is covered by cellular network, please check the GSMA simulated cellular network coverage maps. More information on the GSMA Website.
Cellular network coverage map in Spain
Cellular network coverage map in Germany
Cellular network coverage map in Norway
Cellular network coverage map in the Netherlands
GSMA members frequently update their network coverage and submit their latest coverage data to the organisation.
This map shows the GPS locations at sea that were sent by the DIAL beacons during their operation. It shows where the DIAL beacons have actually transmitted their data.