Wentronic mini coaxial cable (Cu) 80dB, 2x shielded 100m (Accessories)
Such a cable with its 4.3 mm diameter fits together with another 7-mm cable prima in an empty tube with 13.5 mm Interior Diameter. The signal quality which arrives at the receiver is, in my 20 m cable length almost as good as in the 7-mm cable that I
