Phoenix Contact 2903263 The antenna cable has an outer diameter of 5mm and a solid inner conductor with varying attenuation levels at different frequencies, ranging from 0.4 to 0.6 dB at 0.9, 2.4, and 5.8 GHz. The connection type is N (male) to RSMA (male), and the cable measures 0.5 meters in length, equivalent to 1.6 feet.