FM vs DRM+: Understanding the Key Differences

fm radio
drm+
radio broadcasting
digital radio
analog radio

This page compares FM vs DRM+ and mentions the difference between FM and DRM+ with respect to various parameters.

Introduction: Both FM and DRM+ are used for radio broadcasting. FM is an analog technique, whereas DRM+ is a digital technique for radio broadcasts. DRM+ is an upgraded version of DRM.

ParametersFMDRM+
Frequency87.5 MHz to 108 MHz (Band II)47 MHz to 68MHz, 87.5 MHz to 108 MHz, 174 MHz to 230 MHz
Programs per channel11 to 4 (Max.)
Data per channelRBS 1, 2 KbpsFlexible program associated and Non-program associated data rates
Analog SimulcastNot ApplicableSupported
Channel Bandwidth200 KHz96 KHz
BW capacityNot Applicable96 Kbps
Modulation typeSingle carrier FM (-100 KHz to +100 KHz)Multi carrier (106) OFDM, 4 to 16 QAM modulation over -48KHz to +48KHz
Digital data speed (Kbits/sec)NA120
Spectrum Efficiency (bits/sec/Hz)1.20.7

DAB+ vs DRM+: Key Differences Explained

Explore the differences between DAB+ and DRM+ digital audio broadcasting technologies, focusing on frequency, bandwidth, modulation, and data speed.

digital radio
audio broadcasting
dab+
DMR Radio Basics: Digital Mobile Radio Tutorial

DMR Radio Basics: Digital Mobile Radio Tutorial

Learn the fundamentals of DMR (Digital Mobile Radio) including network architecture, air interface, channel types, and its advantages. Explore DMR Tiers and applications.

dmr
digital radio
radio communication