MTX -4G-JAVA-IoT Hardware User's Manual page 70

EPO mV 0dBm0
1024Hz, no 330mV
load/3.14dBm0
Sidetone gain 15dB
1. In audio modes with noise reduction, the microphone input signal for 0dBm0 shall be measured
with a sine burst signal for a tone duration of 5 seconds and a pause of 2 sec. The sine signal
appears as noise and, after aprox. 12 sec, is attenuated by the noise reduction
2. Signal for -5dBm0 (due to attenuation of uplink filter at 1kHz)
MTX-Java-IoT | 2018/2
MTX © by MATRIX ELECTRONICA S.L.U.
SUPPORT: iotsupport@mtxm2m.com | SALES: info@mtxm2m.com |
390mV 630mV
-96dB 17dB
420mV 635mV
-20dB -12dB
mtxm2m.com
635mV
-96dB
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