SIM800L GPRS GSM Module Board with power supply and antenna ET5662

Description

1. made in india
2.  input voltage  6-20V dc
3. minimum 10W power supply recommended
4. INBUILT ANTENNA
5. HIGH EFFICIENCY STEP DOWN CONVERTER
6. USE 12V 1A SUPPLY TO POWER
7. High quality double side fr4 pcb
8. TTL serial port for serial port, you can link directly to the micro-controller.
9. Don’t need MAX232.
10. Power module automatically boots, homing network.
11. Onboard signal lights all the way.
12. It flashes slowly when there is a signal, it flashes quickly when there is no signal.