Комплект беспроводного удлинителя QZ SIM800A модуль GSM GPRS плата STM32 с антенной замена SIM900A

Описание и отзывы

Характеристики

Description:

Overview 
This SIM800A V4 module has a set of TTL level serial interface, two sets of power supply interface, and only one power interface can make the module work well. And SIM800A V4 
Basic features 

51 STM32 AVR MCU compatible 
3.5mm speech and Mike interface 
Prototype expand 
Quad-band 850/900/1800/1900MHz 
Size:48*51mm 
Power requirements: 5V-18V power supply, the current need to provide 1.5A or above;
TTL level serial port is compatible with 3.3V and 5V microcontrollers. Really can communicate directly with 51 / STM32 / MP430 microcontroller such;
Beginning with the computer debugging, it recommended CP2102 USB-TTL module to module power supply and communications;
When using single-chip control module, also through USB - 232 Monitoring module returns to the instruction data, greatly facilitate find the problem, especially for a small microcontroller with 51 partners.
Standby around 30MA, you can set the sleep state is about 10MA low power consumption.
Support SMS, GPRS data transmission, send MMS, DTMF, HTTP, FTP, PPP dial and other functions.
At the same time containing all the way to the hardware reset pin. When there is a problem module, this pin can be used to reset to resolve.
Development board supports 2G / 3G / 4G or China Unicom mobile phone card

 
 Why choose “QZ” ?   

1.     For price—Factory direct offering, most reasonable prices

2.     For you—best& fastest service, and better after-sale service.

3.     For quality-- Ensure the excellent quality of products, long life

4.     For delivery—On Time Delivery, shipping speedily and precisely.

5.     For Supply ability—strong ability of production, larger own stock.

6.     For precision--Professional minimum precision, running quietly, 

        low-loss and good dimensional stability!

7.     For cooperation-Streamline the buying and paying processes. 

8.     For design-- Professional OEM Team, can design and produce any

       as your requirement!