On the corner of Hildburghauser Straße and Mariannenstraße, right west from the Telekom eNB ID 111137, Vodafone (lower antennas) shares a mast with o2's eNB ID 23702 to send 4G from, that even reaches Brandenburg.
Seen from Hildburghauser Straße:
Seen from Mariannenstraße: