User's Manual

SIM900L Document
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PCL=12 110 EGSM 900
PCL=19 76
PCL=0 168
PCL=7 89
DCS 1800
PCS 1900
PCL=15 76
PCL=5 240
PCL=12 110
GSM 850
EGSM 900
PCL=19 83
mA
PCL=0 170
PCL=7 95
Data mode
GPRS(1Rx,1Tx)
DCS 1800
PCS 1900
PCL=15 80
mA
PCL=5 270
PCL=12 150
GSM 850
EGSM 900
PCL=19 120
mA
PCL=0 205
PCL=7 130
Data mode
GPRS(4Rx,1Tx)
DCS 1800
PCS 1900
PCL=15 115
mA
PCL=5 440
PCL=12 185
GSM 850
EGSM 900
PCL=19 130
mA
PCL=0 300
PCL=7 155
Data mode
GPRS(3Rx,2Tx)
DCS 1800
PCS 1900
PCL=15 122
mA
I
VBAT-peak
Peak current During Tx burst 2 A
4.9 Electro-Static Discharge
SIM900L 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
12: The ESD characteristics (Temperature: 25 , Humidity: 45 %)℃
Pin Contact discharge Air discharge
VBAT ±5KV ±10KV
GND ±4KV ±10KV
RXD, TXD ±3KV ±6KV
Antenna port ±5KV ±10KV
SPKP/ SPKN
MICP/ MICN
±2KV ±8KV
PWRKEY ±1KV ±8KV