SIM800L module instead of SIM900A, SMS, data GSM, GPRS, 4 frequencies available worldwide
This module power supply of 5V, debugging computer USB to TTL serial port can be. 800MA power output can be current, TTL-compatible serial 3.3V and 5V microcontroller, can be directly connected to the microcontroller and after purchase. IPX antenna interface can switch PCB antenna, antenna and glue stick sucker antenna. SIM800L 4 frequency data communications globally available.
1: Ultra-small size for a variety of embedded and cuff.
2: Since the bomb card slot for easy replacement phone card. You can put the box aside reserve replacement phone mount.
3: IPX interface, you can optionally replace the antenna. Default PCB antenna, greatly reducing: the use of space.
4: board gold-plated board, in terms of performance more stable.
5: structured wiring board to ensure that the time is running more stable.
6: This module add protection devices, enabling the anti-reverse, anti-hypertension, reduce the loss of board, suitable for the project and learning.
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