disclosed is an apparatus for wirelessly transmitting and receiving energy and data including : a signal generator generating a first frequency signal for power transmission ; a first matching circuit matching input / output impedance upon receiving the first frequency signal generated by the signal generator ; an oscillator outputting a second frequency signal , a carrier frequency , by using the first frequency signal , generated by the signal generator , as a reference frequency ; a mixer modulating a data signal output from a communication module by using the second frequency signal ; a second matching circuit matching input / output impedance upon receiving a modulated signal by using the second frequency signal ; a resonator resonating an output signal from the first matching circuit to a reception side apparatus ; and a radiator radiating an output signal from the second matching circuit to the reception side apparatus .