On the house at Wedellstr. 33-37, o2 (and Vodafone) have placed some 3G- and LTE-capable antenna.
the house seen from south (Brieger Str.): o2 antennas presumably attached to the 3-in-1 mast middle to left
west-facing side of the house with two Vodafone sector antennas right at the front, o2's to the right of it
north view from Kamenzer Damm