the r&s®ddf255-im option expands the r&s®ddf255 to offer a comprehensive range of itu-compliant measurement methods. these include:
- frequency and frequency offset in line with itu-r sm.377
- field strength in line with itu-r sm.378
- modulation in line with itu-r sm.328
- spectrum occupancy in line with itu-r sm.182/sm.328 (on control pc)
- bandwidth in line with itu-r sm.443
- recognition of mono and stereo transmissions from fm broadcast transmitters
to use this option in line with itu recommendations, it is advisable to provide suitable receiving antennas.