Once I was satisfied with the operation of the DIR-615, however, the prices of D-Link IO seem to be, and the multi-antenna directional technology have been described as so great, I opted for the DIR-645th
Setting update, and switch to German ran well accustomed. But then the awakening ... at the same location as previously positioned the DIR-615 were my receivers (different models and brands) Always show only one signal strength bar less. The distance across the flat on the terrace also could not be overcome.
As well as the new look will not help without external antennas.
Go back again. Too bad that D-Link's technology developed back ...