A device for receiving and transmitting mobile radio signals with a plurality of transmit-receive branches

An improved apparatus for receiving and transmitting signals, in particular mobile radio signals, has the following characteristics: - the apparatus comprises at least 4 channels; - each of the at least four channels (K1, K2, K3, K4) can be driven by a, different from the other channels transmitted signal which can be generated from different data streams with a separate channel module (KM1, KM2, KM3, KM4); - there is provided a control means (33), about which several or all of power amplifiers (21; 21a, 21b, 21c, 21d) in several or all the channels (K; K1, K2, K3, K4) are connected, in phase or phase-locked are operable to each other, such that the in the respective channels (K; K1, K2, K3, K4) amplified transmit signals (TX) are synchronized and connected together, whereby a respective transmission signal (TX) at a higher transmission power is ausstrahlbar.