Module Rf Receive Sensitivity - SimCom SIM900B Hardware Design

Table 23 : SIM900B DCS 1800 and PCS 1900 conducted RF output power
PCL Nominal output power (dBm)
29
30
31
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15-28
For the module's output power, the following should be noted:
At GSM900 and GSM850 band, the module is a class 4 device, so the module's output power should not exceed
33dBm, and at the maximum power level, the output power tolerance should not exceed +/-2dB under normal
condition and +/-2.5dB under extreme condition.
At DCS1800 and PCS1900 band, the module is a class 1 device, so the module's output power should not exceed
30dBm, and at the maximum power level, the output power tolerance should not exceed +/-2dB under normal
condition and +/-2.5dB under extreme condition.
4.9.2

Module RF Receive Sensitivity

The following table shows the module's conducted receive sensitivity, it is tested under static condition.
SIM900B_Hardware Design_V2.01
DCS 1800 and PCS 1900
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
Tolerance (dB) for conditions
Normal
±2
±3
±3
±3
±3
±3
±3
±3
±3
±3
±3
±3
±4
±4
±4
±4
±4
±5
±5
38
Smart Machine Smart Decision
Extreme
±2.5
±4
±4
±4
±4
±4
±4
±4
±4
±4
±4
±4
±5
±5
±5
±5
±5
±6
±6
2012-05-07