FM vs DAB+ | Difference between FM and DAB+
This page compares FM vs DAB+ and mentions difference between FM and DAB+ with respect to various parameters.
Introduction: Both FM and DAB+ are used for radio broadcasting. FM is analog technique where as DAB+ is digital technique for radio broadcasts. DAB+ is upgraded version of DAB.
| Parameters | FM | DAB+ |
|---|---|---|
| Frequency | 87.5 MHz to 108 MHz Band II | 174 to 240 MHz Band III |
| Programs per channel | 1 | 9 to 24 (Typically), 64 (Max.) |
| Data per channel | RBS 1, 2 Kbps | Flexible program associated and Non-program associated data rates |
| Channel Bandwidth | 200 KHz | 1.5 MHz |
| BW capacity | Not Applicable | 1.5 Mbps |
| Modulation type | Single carrier FM (-100 KHz to +100 KHz) | Multi carrier (1536) OFDM, DQPSK type modulation over -768KHz to +768KHz |
| Digital data speed (Kbits/sec) | NA | 2400 |
| Spectrum Efficiency (bits/sec/Hz) | 1.2 | 0.34 to 0.67 |
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