| Part number | SIM900R |
|---|---|
| Manufacturer | SimCom |
| File Size | 2.81 MB |
| Description | Hardware Design |
| Datasheet |
 SIM900R Datasheet
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| Note |
This datasheet PDF includes multiple part numbers: SIM900R, SIM900R-1. Please refer to the document for exact specifications by model. |
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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 20 4.3.1 Minimum Functionality Mode 20 4.3.2 Sleep Mode 1 (AT+CSCLK=1) 21 4.3.3 Wake Up SIM900R from Sleep Mode 1 (AT+CSCLK=1)
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