
SIM800L V2 GSM Module
TTL serial interface compatible with 3.3V and 5V MCU
The small size is suitable for all kinds of sleeve belt type and embedded.
playing card slot, convenient change mobile phone card.Can side reserve replacement cell phone bayonet into the box.
using the IPX interface can arbitrarily change the antenna. The default PCB antenna greatly reduces: use the space.
the board with gold plated board, more stable performance.
when wiring neat guarantee board running more stable.
this module adds a protection device, which can realize the prevention, high pressure, reduce the loss of the board, suitable for the project and learn.