An electronic device comprising: a first antenna; a second antenna; a transmission/reception path unit for data transmission/reception of the electronic device; a first reception path unit for data reception of the electronic device; a second reception path unit for data reception of the electronic device, the second reception path unit including a low noise amplifier, LNA; a signal path selection unit configured to connect each of the first antenna and the second antenna to the transmission/reception path unit, the first reception path unit, or the second reception path unit; and a radio frequency integrated circuit, RFIC, module or a processor including the RFIC module configured: if the first antenna operates as a main antenna for data reception of the electronic device and the second antenna operates as a sub antenna for data transmission/reception of the electronic device, to determine whether performance of the first antenna is suitable for the main antenna; if the performance of the first antenna is suitable for the main antenna, to control the electronic device to have a first state in which the first antenna is connected to the transmission/reception path unit for data transmission/reception of the electronic device and the second antenna is connected to the second reception path unit for data reception of the electronic device; and if the performance of the first antenna is not suitable for the main antenna, to control the electronic device to have a second state in which the first antenna is connected to the first reception path unit for data reception of the electronic device and the second antenna (122; 322) is connected to the transmission/reception path unit for data transmission/reception of the electronic device. a first antenna; a second antenna; a transmission/reception path unit for data transmission/reception of the electronic device; a first reception path unit for data reception of the electronic device; a second reception path unit for data reception of the electronic device, the second reception path unit including a low noise amplifier, LNA; a signal path selection unit configured to connect each of the first antenna and the second antenna to the transmission/reception path unit, the first reception path unit, or the second reception path unit; and a radio frequency integrated circuit, RFIC, module or a processor including the RFIC module configured: if the first antenna operates as a main antenna for data reception of the electronic device and the second antenna operates as a sub antenna for data transmission/reception of the electronic device, to determine whether performance of the first antenna is suitable for the main antenna; if the performance of the first antenna is suitable for the main antenna, to control the electronic device to have a first state in which the first antenna is connected to the transmission/reception path unit for data transmission/reception of the electronic device and the second antenna is connected to the second reception path unit for data reception of the electronic device; and if the performance of the first antenna is not suitable for the main antenna, to control the electronic device to have a second state in which the first antenna is connected to the first reception path unit for data reception of the electronic device and the second antenna (122; 322) is connected to the transmission/reception path unit for data transmission/reception of the electronic device. if the first antenna operates as a main antenna for data reception of the electronic device and the second antenna operates as a sub antenna for data transmission/reception of the electronic device, to determine whether performance of the first antenna is suitable for the main antenna; if the performance of the first antenna is suitable for the main antenna, to control the electronic device to have a first state in which the first antenna is connected to the transmission/reception path unit for data transmission/reception of the electronic device and the second antenna is connected to the second reception path unit for data reception of the electronic device; and if the performance of the first antenna is not suitable for the main antenna, to control the electronic device to have a second state in which the first antenna is connected to the first reception path unit for data reception of the electronic device and the second antenna (122; 322) is connected to the transmission/reception path unit for data transmission/reception of the electronic device.