SimCom SIM800C

Smart Machine Smart Decision
SIM800C_Hardware_Design_V1.02 12 2015-4-27
2.4. Functional Diagram
The following figure shows a functional diagram of SIM800C:
 GSM baseband
 GSM RF
 Antenna interface
 Other interface
Analog base
band
Digita l base
band
Pow er m anagem ent unit
Radio
Frequency
Power
Supply
Analog Interface
Digita l In te rfa c e
UART
SIM
Audio
ADC
GSM
USB
GPIO
BT
RTC
Figure 1: SIM800C functional diagram