The coverage in this location is provided by an modular amplifier Node A series. The device was equipped with three cards, each responsible for a different frequency. This multi – operator installation which provides support for 4 operators (Orange, T-Mobile, Polkomtel and Play) in the following technologies: GSM900, GSM1800 and UMTS2100. Each operator has a separate dedicated bandwidth (carrier), so that each of the operators are separated from each other with special digital filter. Installation provides signals to the 27 antennas at the CH Oliva mall. The installation is running continuously since August 2008.