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HUAWEI MG323 GSM M2M Module
Hardware Guide
Antenna Interface
Issue 06 (2013-06-13)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
33
Specification
Minimum
Value
Typical
Value
Maximum
Value
Unit
GSM 1900 1850 1910 MHz
Downlink frequency range
(Base transceiver station to mobile
station)
GSM 850 869 894 MHz
E-GSM 900 925 960 MHz
GSM 1800 1805 1880 MHz
GSM 1900 1930 1990 MHz
Transmission power range GSM 850 31 33 35 dBm
E-GSM 900 31 33 35 dBm
GSM 1800 28 30 32 dBm
GSM 1900 28 30 32 dBm
Number of carrier frequencies GSM 850 124
E-GSM 900 174
GSM 1800 374
GSM 1900 299
Duplex spacing GSM 850 25 MHz
E-GSM 900 45 MHz
GSM 1800 95 MHz
GSM 1900 80 MHz
Carrier spacing 200 kHz
Multiplex and duplex modes
Frequency division duplexingtime division
multiple access (FDD-TDMA)
Time slots of each TDMA frame 8
Frame duration 4.615 ms
Time slot duration 577 µs
Modulation scheme Gaussian minimum shift keying (GMSK)
Receiver sensitivity GSM-850 108.5 dBm
EGSM-900 108.5 dBm
GSM-1800 108 dBm
GSM-1900 108 dBm