- Ttl serial port for serial port, you can link directly
- Onboard signal lights all the way.
- It flashes slowly when there is a signal
This is a small sim800l GPRS gsm module micro sim card core board quad-band TTL serial port with the antenna, in this module, two antennas have been included.Sim800l gsm/GPRS module is a miniature gsm modem, which can be integrated into a great number of IoT projects. You can use this module to accomplish almost anything a normal cell phone can; SMS text messages, make or receive phone calls, connecting to the internet through GPRS, TCP/IP, and more!
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