Modular construction
	3 - components measurements of both magnetic and electric fields
	2 types of magnetometers (flux-gate, search-coil or both )
	Wide frequency range (0 - 200) Hz
	Possibility of synchronous operation of two or more stations
	Excellent temperature stability
	High suppression of industrial noise (> 120 dB at 50 or 60 Hz)
	Low noise level
	Special software
	Real-time processing

     Magnetotelluric station LEMI-404 is intended for study of geoelectric structure of Earth's crust in frequency band (0-200) Hz in field conditions in wide temperature band.   The station provides the measurement in automated mode of the three components both of DC and AC magnetic fields and of electric fields.  Also it is possible to visualize the previously recorded data on the display of "Notebook" computer which serves for on-line data collection.  For the purpose of estimation of quality of collected data preliminary data processing can be done without interruption of recording using available software.  The sensors of electric and magnetic fields and data asquition unit can be moved away from the station body at the distance about 100 m and more.