Smart Machine Smart Decision
SIM900-DS_Hardware Design_V1.00
42
2013-01-20
30dBm, and at the maximum power level, the output power tolerance should not /-2dB under normal
condition and +/-2.5dB under extreme condition.
5.10.2
Module RF Receive Sensitivity
The following table shows the module’s conducted receive sensitivity, it is tested under static condition.
Table
25
: SIM900-DS conducted RF receive sensitivity
Frequency
Receive sensitivity
（
Typical
）
Receive sensitivity(Max)
GSM850
-109dBm
-107dBm
EGSM900
-109dBm
-107dBm
DCS1800
-109dBm
-107dBm
PCS1900
-109dBm
-107dBm
5.10.3
Module Operating Frequencies
The following table shows the module’s operating frequency range; it is followed by the 3GPP TS 05.05 technical
specification requirement.
Table
26
: SIM900-DS operating frequencies
Frequency
Receive
Transmit
GSM850
869 ~ 894MHz
824 ~ 849 MHz
EGSM900
925 ~ 960MHz
880 ~ 915MHz
DCS1800
1805 ~ 1880MHz
1710 ~ 1785MHz
PCS1900
1930 ~ 1990MHz
1850 ~ 1910MHz
