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GSM

SIM800L GSM Module
SIM800L GSM Module

SIM800L GSM Module

The SIM800L is a GSM module from Simcom that gives any microcontroller GSM functionality, meaning it can connect to the mobile network to receive calls and send and receive text messages, and also connect to the inter
SIM800L vs SIM900A GSM Modules
SIM800L vs SIM900A GSM Modules

SIM800L vs SIM900A GSM Modules

GSM modules use a SIM card and an RF chip to connect to the internet and phone network, providing microcontrollers with the capability to make calls and send SMS messages.
SIM900A GSM Module
SIM900A GSM Module

SIM900A GSM Module

The SIM900A is a readily available GSM/GPRS module,used in many mobile phones and PDA. The module can also be used for developing IOT (Internet of Things) and Embedded Applications.