The SIM800L is a small and affordable GSM/GPRS module that allows voice, data, and SMS communication. It is designed to work on four frequencies: 850/900/1800/1900 MHz, which makes it compatible with most GSM networks worldwide.
The module comes with several features, including a TCP/IP stack, an AT command set, and support for GPRS multi-slot class 12/10. It also has a low power consumption mode and sleep mode, making it ideal for battery-powered devices.
The SIM800L module is widely used in various applications, including IoT devices, GPS trackers, smart metering, and home automation. It is popular among hobbyists and developers due to its low cost and ease of use. However, it is important to note that the module requires careful power management, and some versions may have limited operating temperature ranges.
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