Introduction - If you have any usage issues, please Google them yourself
SIM900 - the new generation of low cost GSM / GPRS modules of SIMCOM. In developing the module deference to the wishes of consumers modules of previous generations, carefully crafted questions the reliability of embedded software, introduced new power-saving modes, significantly reduced size. However, the stored key advantages: a popular form factor with end rations that are not to use costly technology assembly and soldering inspection, convenient vstroennny TCP / IP stack, low price. All this allows you to use the module in a wide range of products, including personal and car trackers, security systems and industrial automation, and other fields.