The accurate, value-for-money test system combining versatility with operating ease • Optimum spectral purity for two-source measurements according to CEPT, EIA and BPO standards • Suitable for AM/FM radiotelephones in all power ranges • Rapid and precise measurements in accordance with all standard test methods The ideal system for every application The Radiotelephone Test Assembly SMDU incorporates all the necessary instruments for both receiver and transmitter testing and is available in a number of versions. For testing FM radiotelephones, the RT Test Set SMDU 249.3011.56 is recommended. This brings all the necessary equipment together in a single cabinet and, like all the other versions, can be extended for frequencies up to 1050 MHz by means of options. Test assemblies for purposes other than RT testing, or for combined measurements, can be built up from one of the basic SMDU models (which already contain various different instruments), options and add-on units such as the power test adapter (for FM) or the AM unit (for AM and FM). Special units are also available for testing avionics equipment.