femvenner GmbH is a dynamic company with extensive experience in mobile communication development, specialising in protocol stack development tailored to project needs and Multianalyzer/HF Monitor software solutions. Consultancy services ensure optimal utilisation of these technologies, equipping organisations to navigate the complexities of the mobile communication landscape.

Products and Information

• MultiAnalyzer Software

The MultiAnalyzer Software is a comprehensive solution for real-time protocol recording, monitoring, and analysis. With its hardware independence, this software provides unmatched versatility and flexibility across a wide range of applications. Whether you’re working with TETRA, DMO-TETRA, or DMR protocols, MultiAnalyzer has you covered.

• DMR Ready: Provides comprehensive support for DMR standards, including TIER I, II, and III.

• TETRA and DMO-TETRA Ready: Fully compatible with TETRA standards, including ETSI EN 300 392-2, Supplementary Services and Encryption. It is also compatible with DMO-TETRA, enabling Gateway and Repeater operations.

• Independence from hardware manufacturers: Choose from a diverse range of hardware options, including cost-effective solutions like RTL2832U DVB-T sticks, powerful Software Defined Radios (SDRs) such as AirSpy’s, and test receivers from reputable manufacturers like R&S®, Anritsu, and gew.

• Real-Time Measurement: Offers real-time measurement capabilities, presenting data in multiple formats, including ETSI-compliant message sequence charts (MSC-View) and real-time display of Message Erasure Rate (MER).

• Spectrum Analysis: During protocol recording, the MultiAnalyzer displays the carrier and adjacent channels in the spectrum. This visual representation provides valuable insights for better analysis and optimization.

• Encryption Support: The software supports both Class 2 (static) and Class 3 (dynamic) encryption for TETRA. It employs encryption algorithms like TAA1, TEA1, TEA2, TEA3, and TEA4 to ensure secure communications.

• QoS-Option: Take advantage of the graphical protocol view, enabling customization for each PDU type. This feature aids in identifying radio cell reselection, rejections, signalling load, bottlenecks, and weaknesses in carrier planning.

• HF Monitor Business

The HF Monitor is an all-in-one solution for spectrum analysis and monitoring, offering advanced features and wide frequency range coverage. It simplifies the acquisition and analysis of data, ensuring accurate results and efficient identification of interference sources.

• Versatile Recording: Capture high fidelity signals from 24 MHz to 1.766 GHz, enabling comprehensive analysis across a wide range of frequencies.

• Portable and Standalone Operation: Use the HF Monitor as a standalone recorder in remote locations, eliminating the need for complex setups and ensuring uninterrupted signal recording.

• Seamless Integration: The HF Monitor seamlessly integrates with our advanced data acquisition and analysis software, providing a comprehensive solution for processing and interpreting recorded data.

• Configurable Monitoring Jobs: Customize monitoring jobs with specific trigger conditions, capturing only the signals of interest, reducing storage requirements, and streamlining analysis.

• Visualize and Analyse: Visualize data using spectrum display, waterfall diagram, and density spectrum diagram, enabling detailed analysis and identification of signal characteristics.

• Offline and Online Analysis: Choose between offline and online analysis options, allowing flexibility in reviewing recorded data at your convenience.

Key applications:

• Detection and Elimination of Interference Signals: Continuously monitor the spectrum to detect and eliminate problem signals in real time, ensuring optimal network performance.

• Examination of Undesirable Signal Activity Patterns: Analyse patterns of undesirable signal activity to efficiently identify and address interference sources.

• Efficient Troubleshooting and Network Optimization: Utilize the HF Monitor for efficient troubleshooting and optimization of network performance, ensuring reliable and interference-free communications.

• Consultancy and Development

Our team of experts specializes in protocol stack implementation, RF measurement algorithm development, digital signal processing system evaluation, embedded system implementation, protocol data analysis, and cross-platform application development.

• Protocol Stack Implementation: We excel in implementing protocol stacks like TETRA, TEDS, DMR, and more, ensuring seamless communication in critical environments.

• RF Measurement Algorithm Development: Our team develops and implements advanced RF measurement algorithms, including C/I, vector error, frequency offset, and residual carrier, enabling accurate analysis for optimal performance.

• Digital Signal Processing System Evaluation: Our experts evaluate and develop digital signal processing systems, covering filtering, modulation, synchronization, and error correction, enhancing signal quality and reliability.

• Embedded System Implementation: We specialize in implementing measurement and signal processing systems on embedded systems like ThreadX, Nucleus, QNX, Linux, enabling real-time processing in resource-constrained environments.

• Protocol Data Analysis: We provide protocol data analysis services, including analysing, filtering, and inspecting data. We offer human-readable protocol views and graphical visualizations for valuable insights.

• Cross-Platform Application Development: Our team creates cross-platform applications tailored to handle complex protocol data relationships and data amalgamation from different devices, streamlining workflows for maximum productivity.