The paper presents a substantiation of the effectiveness of IEEE 802.11 wireless network analysis subsystem implementation using miniature spectrum analyzers. Also it was given an overview of firmware work scheme, development process of trial versions, monitoring system development approaches, current development stage, infrastructure for research system, reliability and scan check, our system design and hardware implementation, future work, etc. Paper also provides technical solutions on automation, optimal algorithms searching, errors correcting, organizing software according to the Model-View-Controller scheme, harmonizing data exchange protocols, storing and presenting the obtained results.