Sim800 hardware design v1.05

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SIM800_Hardware Design_V1.05 59 2014-03-25
6.9 Electro-Static Discharge
SIM800 is an ESD sensitive component, so more attention should be paid to the procedure of handling and
packaging. The ESD test results are shown in the following table.
Table 46: The ESD characteristics (Temperature: 25°C, Humidity: 45 %)
Pin Contact discharge Air discharge
VBAT ±5KV ±10KV
GND ±5KV ±10KV
RXD, TXD ±4KV ±8KV
Antenna port ±5KV ±10KV
SPK_P/SPK_N/MIC_P/MIC_N ±4KV ±8KV
PWRKEY ±4KV ±8KV
6.10 Radio Characteristics
The following table shows the module conducted output power, it is followed by the 3GPP TS 05.05 technical
specification requirement.
Table 47: GSM 900 and GSM 850 conducted RF output power
GSM850,EGSM900
Tolerance (dB) for conditions
PCL Nominal output power (dBm)
Normal Extreme
5 33 ±2 ±2.5
6 31 ±3 ±4
7 29 ±3 ±4
8 27 ±3 ±4
9 25 ±3 ±4
10 23 ±3 ±4
11 21 ±3 ±4
12 19 ±3 ±4
13 17 ±3 ±4
14 15 ±3 ±4
15 13 ±3 ±4
16 11 ±5 ±6
17 9 ±5 ±6
18 7 ±5 ±6
19-31 5 ±5 ±6