On the topmost right corner side of the SIM800L Module, we can see an LED that indicates the status of your cellular network. It has a tiny size of 17.6*15.7*2.3mm which makes it a good choice for embedding into projects without a lot of space. This chip supports a baud rate from 1200bps to 115200bps with Auto-Baud detection. The operating voltage of this chip is from 3.4V to 4.4V which makes it ideal to operate by a LiPo battery supply. SIM800L supports Quad-band frequency its works on frequencies 850MHz, 900MHz, 1800MHz, and 1900MHz, it can transmit and receive voice, SMS, and data information with low power consumption. This is a Quad-band SIM800L GSM/GPRS cellular chip from SimCom in SMT type. On the top surface of the GSM module, we can see a chip is mounted on the module board. SIM800L GSMGPRS Module Hardware Overview SIM800L GSM cellular chip These key components are SIM800L GSM cellular chip, LED Status Indicators, Antennas, and Micro-SIM socket. The SIM800L GSM/GPRS module consists of four key components, which take important roles in the work of the module. SIM800L GSM/GPRS Module Hardware Overview
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