FIELD: telecommunication.
SUBSTANCE: invention relates to wireless communication by means of radio signals intended for geological formations surveying. According to the invention, wireless communication circuit contains oscillatory circuit consisting of reactance coil being in parallel connection with capacitive circuit, and feedback circuit. Capacitive circuit contains two serially connected capacitors. Each capacitor with proper capacitance value is coupled with grounding by common conductor. The reactance coil and capacitive circuit define frequency of a signal. The coil acts as antenna. Oscillatory circuit can function as transmitter and receiver.
EFFECT: feedback circuit contains feedback circuit 1 and 2 to ensure selective signal coding.
3 cl, 10 dwg
