
Sim900a Wireless Data Transmission Module GSM GPRS Board Kit With Ante
Product Description | 1. Support 2, mobile phone 3, 4G card. 2. The onboard two set power supply interface VCC5 5V power supply, VCC4 interface, 3.5--4.5V power supply, optional power on self starting (default) and control start. 3. The onboard SMA (default) and IPXmini antenna interface, SIM900A
interface reserved reset. 5. Standby dozens of MA data can be set to provide dormancy, dormancy of 10MA low power. 6. The serial port circuit: support for 3.3V single chip microcomputer. TTL serial port support 7. The SIM card circuit to increase the SMF05C ESD chip. 8. Antenna circuit: guarantee short and straight, so as to ensure the signal strength. 9. PCB display screen printing mark: each interface, convenient development two times, the SIM900/A hardware is completely follow the design when the design manual. 10. A TTL level, compatible with 3.3V and 5V. 11. The two antenna interface, the default SMA straight head, connector for IPXmini antenna. |
The control interface of each pin description | GND - GND |
Detail Photos
Circuit Diagram
Oky Newstar Technology Co., Ltd
Oky Newstar Technology Co., Ltd is subsidiary of Okystar Technology Group Co.,Ltd,which holds 4 subsidiary companies and more than 1500 skilled workers and 50 technicians.
Oky Newstar Tech Co.,Ltd built in 2004.It is one of the professional leading exporters of educational DIY products in Shenzhen, China. After 12 years’ development, our company has grown into a large high-tech group corporation integrating industry, technology and trading. With electronic information industry as our main business, We keep being top 10 in the industry of educational DIY products.
In 2009,We opened a subsidiary in Venezuela. In 2012,We became a member of the “shenzhen chamber of E-Commerce”. We look forward to your support and win-win cooperation.
We have been in the international trade field for more than 11 years. Our clients spread all over the world. We have gained sound reputation from our customers, as they acclaim that our products have top performance against price ratio.