Siretta direct mount antennas siretta delta6cxsmamsrp11 the delta 6c from siretta is a dual band wifi antenna tuned to 24 and 58ghz with a peak gain of 5dbi measuring 196mm long the antenna body accommodates the frac12 wave dipole radiating element that provides superior performance for more demanding wifi applications its hinged joint provides a flexible means of setting the antenna at 0 45 amp 90 degrees into its optimum position for wifi transmission the delta 6c is common