A Radio Frequency, RF, front end for wireless communication, comprising an antenna port for outputting a transmit signal to and receiving a receive signal from an antenna, a receive port for outputting the receive signal to a signal processing section, and a Quadrature Balanced Power Amplifier, QBPA, configured to: - receive a transmit input signal at a first port, - receive a cancellation input signal at a fourth port, - receive the receive signal at a second port connected to the antenna port, - generate the transmit signal from the transmit input signal and output the transmit signal at the second port, - generate a cancellation signal from the cancellation input signal and output the cancellation signal and the receive signal at a third port connected to the receive port, wherein the QBPA is further configured to - amplify a first part of the transmit input signal and a first part of the cancellation input signal, respectively, in a first signal path (203, 204a, 205), - amplify a second part of the transmit input signal and a second part of the cancellation input signal, respectively, in a second signal path (203, 204b, 205), - generate the transmit signal from the first and second transmit input signal parts, and - generate the cancellation signal from the first and second cancellation input signal parts, wherein the first signal path (203, 204a, 205) is equal to the second signal path (203, 204b, 205), or the amplification of the first parts is equal to the amplification of the second parts. an antenna port for outputting a transmit signal to and receiving a receive signal from an antenna, a receive port for outputting the receive signal to a signal processing section, and a Quadrature Balanced Power Amplifier, QBPA, configured to: - receive a transmit input signal at a first port, - receive a cancellation input signal at a fourth port, - receive the receive signal at a second port connected to the antenna port, - generate the transmit signal from the transmit input signal and output the transmit signal at the second port, - generate a cancellation signal from the cancellation input signal and output the cancellation signal and the receive signal at a third port connected to the receive port, - receive a transmit input signal at a first port, - receive a cancellation input signal at a fourth port, - receive the receive signal at a second port connected to the antenna port, - generate the transmit signal from the transmit input signal and output the transmit signal at the second port, - generate a cancellation signal from the cancellation input signal and output the cancellation signal and the receive signal at a third port connected to the receive port, wherein the QBPA is further configured to - amplify a first part of the transmit input signal and a first part of the cancellation input signal, respectively, in a first signal path (203, 204a, 205), - amplify a second part of the transmit input signal and a second part of the cancellation input signal, respectively, in a second signal path (203, 204b, 205), - generate the transmit signal from the first and second transmit input signal parts, and - generate the cancellation signal from the first and second cancellation input signal parts, - amplify a first part of the transmit input signal and a first part of the cancellation input signal, respectively, in a first signal path (203, 204a, 205), - amplify a second part of the transmit input signal and a second part of the cancellation input signal, respectively, in a second signal path (203, 204b, 205), - generate the transmit signal from the first and second transmit input signal parts, and - generate the cancellation signal from the first and second cancellation input signal parts, wherein the first signal path (203, 204a, 205) is equal to the second signal path (203, 204b, 205), or the amplification of the first parts is equal to the amplification of the second parts.