L M Ericsson Telefon AB won’t be ready to sign off its figures for 1990 until March 14, but the company said yesterday that indications are that pre-tax profits rose 30% to the equivalent of $890m at the current rate of exchange, on sales up 16% at $8,385m; fully diluted earnings per share came out at $2.66, up 31%; orders rose 17% to $9,046m during the year, with radio communications the star performer with public telecommunications and cable and network also strong: it says that it may prove hard to better last year’s profits this year.