6: The module plus a protective device, can achieve anti-turn, anti-high pressure, reducing the loss of the board, suitable for projects and learning.
This module is powered by 5 V , the computer debugging USB to TTL serial port can be. Power can output 800MA of current can be, TTL serial port compatible with 3.3V and 5V microcontroller, after the purchase can be directly connected with the microcontroller. IPX antenna interface can be arbitrarily switch PCB antenna, glue bar antenna and sucker antenna. SIM800L data 4-band communication, available worldwide.