Download the SIM900R datasheet PDF.
This datasheet also covers the SIM900R-1 variant, as both devices belong to the same hardware design family and are provided as variant models within a single manufacturer datasheet.
Description
13 3.3 Package Dimensions 15
4 Application Interface 16 4.1 Power Supply 16 4.1.1 Minimizing Voltage Drop of VBAT 17 4.1.2 Monitoring Power Supply 17 4.2 Power on/down Scenarios 17 4.2.1 Power on SIM900R 17 4.2.2 Power down SIM900R 18 4.2.3 Restart SIM900R by PWRKEY Pin 20 4.3 Power Saving Mode
Features
- 8 2.2 Operating Modes 10 2.3 SIM900R Functional Diagram 11
3 Package Information 12 3.1 Pin out Diagram 12 3.2 Pin.