The Marconi IFR Aeroflex 3515AR is a portable radio communications test set designed for testing and maintenance of diverse radio communication systems in field and laboratory environments. This instrument consolidates multiple essential test functions into a single platform, enabling engineers and technicians to perform signal generation, modulation analysis, and receiver performance evaluation. Built with ruggedized construction for field durability, the 3515AR supports comprehensive testing across analog voice, digital voice, trunked, and Land Mobile Radio systems.
Technical Specifications
Model: 3515AR
Manufacturer: Marconi (IFR/Aeroflex)
Product Type: Portable Radio Communications Test Set
Construction: Ruggedized for field use
The test set provides signal generation with AM/FM/PM modulation capabilities and performs receiver testing including sensitivity, selectivity, and spurious response measurements. Measurement functions encompass power, frequency, and audio frequency response analysis across multiple interfaces.
– Key Features
• Synthesized signal generation with AM/FM/PM modulation support
• Receiver sensitivity and selectivity measurement
• Spurious response testing capability
• Power and frequency measurement functions
• Audio frequency response analysis
• Multi-interface connectivity for RF and audio signals
– Typical Applications
• Analog and digital voice radio system testing
• Trunked radio system validation
• Land Mobile Radio (LMR) commissioning and maintenance
• Field service and laboratory troubleshooting
• Receiver performance characterization
– Compatibility & Integration
The 3515AR is compatible with analog voice radio systems, digital voice radio systems, trunked radio systems, and Land Mobile Radio platforms. Integration with specific radio models against documented system requirements.

















