User's Manual

M7X and M7R Page 2-7 Specification
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ALC The ALC has an operational range from a threshold level set at 10 dB
below the average speech line level setting, to the maximum line input
level of +10 dB average speech.
Within the ALC range, the modulation remains at 85% (±5%)
The attack time is <20 ms and the decay time is > 2 s (both measured
with a 10 dB step to 15 dB into ALC).
Transmit timeout Adjustable between 5 seconds and 10 minutes or can be set to Off.
[Note that Off is when 0 seconds is selected.]
Receive Characteristics
Sensitivity All figures are (S+N)/N unless otherwise specified and include ITU-T
weighting.
Noise figure 14 dB
AM voice (30%) ≥10 dB at -101 dBm
FM voice ≥10 dB at -104 dBm
AM/FM Wideband ≥10 dB at -95 dBm
Link 11 ≥10 dB at -95 dBm.
Selectivity AM/FM voice (25 kHz): <6 dB at ±12 kHz
>80 dB at ±25 kHz
AM voice (8.33/12.5 kHz): <6 dB at ±3.5 kHz
>70 dB at ±17 kHz
AM/FM wideband: >6 dB at ±25 kHz
>70 dB at ±75 kHz.
Dynamic range 3
rd
order intercept point +19 dBm
Intermodulation suppression ≥80 dB for interferers
100 kHz and 200 kHz from F
o
Blocking & cross-modulation ≥80 dB at >200 kHz
≥100 dB at > 4 MHz.
Antenna radiation <-90 dBm.
Maximum input +36 dBm for 20 seconds
+27 dBm continuous.
Frequency response AM/FM voice, 25 kHz: +1 to -3 dB, 300 to 3400 Hz
-20 dB at <100 Hz
-30 dB at >5000 Hz
AM voice, 8.33/12.5 kHz: +1 to -3 dB, 350 to 2500Hz
-10 dB at <100 Hz
-25 dB at >3200 Hz
AM/FM wideband (ref 5.5kHz): +1 to -3 dB, 20 Hz to 20 kHz
-12 dB at > 25 kHz.
Distortion AM/FM voice: <5% thd
AM/FM wideband: <10% thd.