14 3.3 Package Dimensions 16 4 Application Interface 18 4.1 Power Supply 18 4.1.1 Minimizing Voltage Drop of VBAT 19 4.1.2 Monitoring Power Supply 19 4.2 Power on/down Scenarios 19 4.2.1 Power on SIM900 19 4.2.2 Power down SIM900 20 4.2.3 Restart SIM900 by PWRKEY Pin 22 4.3 Power Saving Mode .
SIM900_Hardware Design_V2.05 Smart Machine Smart Decision Document Title Version Date Status Document Control ID SIM900 Hardware Design 2.05 2013-08-11 Release SIM900_Hardware Design_V2.05 General Notes SIMCom offers this information as a service to its customers, to support application and engineering efforts that use the products designed by SIMCom. The information provided is based upon requirements specifically provided to SIMCom by the customers. SIMCom has not undertaken any independen.