SIM800 GSM GPRS Module, SIM900A Improve Growth Board for 51 STM32 Sensible Electronics with Headphones and Microphone Interface

Specification:
▶【Growing Numerous SIM800 Functions】All obtainable SIM800 pins can be utilized to develop varied SIM800 purposes. SIM800 module is a GSM/GPRS module.
▶【Excessive Stability System】On-board excessive efficiency DC-DC energy circuit, coupled with TVS safety, in order that the soundness of the system is drastically improved. DC6-24V vast energy provide voltage, can be utilized to facilitate the usage of your system energy provide.
▶【Handy to Use】Help 3.3V/5V TTL stage management, facilitate every kind of generally used microcontroller. The modules are individually listed in TX/RX/GND, handy to make use of. With SIM card ESD safety chip.
▶【Serial&Headphones&Microphone Interface】With customary serial interface, straightforward to make use of PC management or debugging. With headphones and microphone interface, handy to check the GSM voice name perform.
▶【After Gross sales Service】If there are any utilizing issues or unsatisfactory with our merchandise, please be at liberty to contact us, our skilled customer support workforce of Sutinna will seek the advice of the problems with sincerity. Thanks for buying from us.