SIM Tech SIMCom SIM800C - Page 12

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SIM800C_Hardware_Design_V1.00 12 2014-10-30
 Antenna interface
 Other interface
Analog base
band
Digital base
band
Power management unit
Radio
Frequency
Power
Supply
Analog Interface
Digital Interface
UART
SIM
Audio
ADC
RF
USB
GPIO
BT
Figure 1: SIM800C functional diagram