Pully FM Receiver Radio Module CXA1238M TDA7050 9018 87-108MHz DIY Kit Working Frequency: 87-108MHz working voltage: 3V Earphone cable as receiving antenna, without noise.( Earphone cable is Not Included) The receiver board is composed of CXA1238M and TDA7050T, containing a 9018 antenna amplifier circuit Inserted earphone, the receiver board will receive the stereo audio channel signal