mobile network gsm 2g 3g 4g 5g repeater tower

anser antenna bandwidth blue broadcast broadcasting cell cellphone cellular chicks communicate communication connect connection coverage data denmark denmarknscandinavia digital equipment europen2021 frequency goose grass greylag gsm industrial industry internet metal mobile network operator phone radiation radio receive repeater signal site station structure technology telecommunication telecommunications telephone three tower towerninternet transceiver transmission transmit transmitter walking wave wireless