برد راه انداز SIM800A دارای قابلیت های SMS / GPRS / GSM به همراه آنتن

Description:

• Working frequency: GSM900/1800MHz
• Can realize the voice call, SMS (short message, MMS), GPRS data transmission function (support passthrough mode DNS and IP mode), but also has DTMF decoding (can identify the buttons) TTS (local speech optional) .
• Hardware design optimization on official design, adopt efficient switching power supply, SIM card using mainstream MICRO booth, the quality is more strong
• Application field: Remote monitoring, intelligent remote meter reading, intelligent household and automotive equipment and other telecommunications equipments

Features:

• Wide voltage power supply: DC5-18V
• Auto power on
• Controllable power
• Can control via TTL or RS232
• With audio interface 

Use suggestions:

The module as long as the power supply case can automatically start, if the module is running abnormally long-term operation, you can shut down the software through the software shutdown. If you use the software shutdown failed to solve the abnormal problem, you can power through the enable pin, completely cut off the power, so that the module completely reset. This power control function is extremely critical. Peers are only for the convenience of the module power from the start, but never take into account when the module is abnormal how to solve. If you can not start, then the module is completely waste. We have long designed to meet the needs of industrial products, for more comprehensive consideration of the details