2.7 Ghz Advanced Radio Test Set - The Aeroflex IFR 3902 is the predecessor to the 3920. The instrument provides a comprehensive range of general purpose analog measurement facilities as well as advanced digital test options for P25, TETRA and HPD systems.

Standard features include:

• Full AM and FM test capabilities
• Channel spectrum analyzer
• Full Span spectrum analyzer to 2.7 GHz
• Dual-Channel Oscilloscope to 4 MHz
• Full audio analysis for AF level, frequency, SINAD and distortion measurements
• Full RF parametric tests for power, frequency error, deviation (FM), modulation index (AM)
• Three high accuracy audio modulators/function generators
• Three high accuracy audio baseband generators
• DTMF and DCS generators!
• FM pre-emphasis and de-emphasis 50 μs, 75 μs and 750 μs for true audio performance analysis
• Color codes Pass/Fail meter functions for fast test capabilities
  

Option 111 - TETRA BS (Base Station Testing)
Option 112 - TETRA DM (Direct Mode)

The digital architecture of the 3902 delivers faster, accurate and more repeatable measurements than any of its predecessors and provides for future technology enhancements as new digital technology becomes available.