Terminology » Other Wireless » DAB+ vs DRM+: Key Differences Explained

DAB+ vs DRM+: Key Differences Explained

digital radio audio broadcasting dab+ drm+ technology comparison

This page compares DAB+ and DRM+ and highlights the key differences between them based on various parameters.

Introduction:

DAB (Digital Audio Broadcasting) and DRM (Digital Radio Mondiale) are both digital audio broadcasting technologies. DAB+ and DRM+ represent upgraded versions of DAB and DRM respectively, offering improvements in performance and features.

The following table provides a detailed comparison between the two standards:

ParametersDAB+DRM+
Frequency174 to 240 MHz (Band III)47 MHz to 68MHz
87.5 MHz to 108 MHz
174 MHz to 230 MHz
Programs per channel9 to 24 (Typically), 64 (Max.)1 to 4 (Max.)
Channel Bandwidth1.5 MHz96 KHz
ModulationMulti carrier (1536) OFDM, DQPSK type modulation over -768KHz to +768KHzMulti carrier (106) OFDM, 4 to 16 QAM modulation over -48KHz to +48KHz
Digital data speed (Kbits/sec)2400120
Input of transmitterDigital ETI 2.048 Mbps or EDI (ETI over IP)Multiplex Data Interface (MDI) 37 to 186 kbps