Sim Interface; Sim Card Application - SimCom SIM802 HD Manual

SIM802 Hardware Design
Table 15: MIC Input Characteristics
Parameter Min
Working Voltage 1.2
Working Current 300
External 1.2
Microphone
Load Resistance
Table 16: Audio Output Characteristics
Parameter
Normal Single
Output(SPK1) Ended
Differential
Auxiliary Single
Output(SPK2) Ended
Differential

3.11 SIM interface

3.11.1 SIM card application

You can use AT Command to get information in SIM card. For more information, please refer to
document [1].
The SIM interface supports the functionality of the GSM Phase 1 specification and also supports
the functionality of the new GSM Phase 2+ specification for FAST 64 kbps SIM (intended for use
with a SIM application Tool-kit).
Both 1.8V and 3.0V SIM Cards are supported.
SIM802_HD_V2.01
Typ
1.5
2.2
Min
load 27
Resistance
Ref level
load 27
Resistance
Ref level
load 27
Resistance
Ref level
load 27
Resistance
Ref level
50
Max Unit
2.0 V
500 uA
k Ohms
Typ Max
32
0.5477
-12.04
32
1.0954
-6.02
32
0.5477
-12.04
32
1.0954
-6.02
Unit
Ohm
Vpp
dBm
Ohm
Vpp
dBm
Ohm
Vpp
dBm
Ohm
Vpp
dBm
12.01.2010