M3SR Series 4100 Communication Capabilities
1.14 Operating Manual 6175.4760.02 – 01
1.8 Communication Capabilities
1.8.1 Voice Communication
Voice transmission is possible in both digital and analog mode. Depending on the software
configuration, the radio is able to transmit and receive the signal modulations in the RF band
(emission designators according to CCIR) as listed in Table 1.3.
Table 1.3 Signal Modulations
Type of emission Abbreviation (old) Abbreviation (new, acc. to
WARC 1979)
Amplitude change signalling, no
modulation, Morse telegraphy
CW A1A
Amplitude modulation, double side-
band and carrier
AM A3E
Single sideband, full carrier AME H3E
Single sideband, reduced carrier A3A R3E
Single sideband, upper sideband,
suppressed carrier
USB J3E+
Single sideband, lower sideband,
suppressed carrier
LSB J3E-
Single sideband, suppressed carri-
er, digital modulated subcarrier in
upper sideband
Modem operation USB J2D+
Single sideband, suppressed carri-
er, digital modulated subcarrier in
lower sideband
Modem operation LSB J2D-
Frequency modulation, voice trans-
mission
Frequency modulation, voice trans-
mission, wideband
FM F3E
Frequency modulation, digital
transmission without subcarrier
FSK F1D
Amplitude modulation, independent
sideband, acc. to
MIL-STD188-110B, app. F
ISB B8E
Amplitude modulation, independent
sideband, modem operation, acc.
to MIL-STD188-203
Modem operation ISB B7D
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