Description
- 1.dc6-24v wide voltage power supply, can also facilitate the use of your system power supply. board of high-performance dc-dc power supply circuit, coupled with tvs protection, the stability of the system greatly improved.
- 2. support 3.3v/5v ttl level control, convenient and a variety of commonly used single-chip, such as arduino/51/stm32 and other communication modules separately listed tx/rx/gnd, use and convenience.
- 3. with a standard serial port, pc can be easily controlled or debugged. 4. with headphone and microphone interface, you can easily test gsm voice calls.
- 5. with sim card static protection chip, when the plug-in sim card to generate static protection. 6. all available sim800 pins are out to facilitate the development of various sim800 applications.
- 7. with rtc back-up battery. 8. with net_sta indicator, easy to view the current sim800 status. 9. board size 83mm * 54mm.
sim800 module is a GSM/GPRS module.
