SIM800L Module GSM GPRS SMS with Antenna Replacement for SIM900A Durable

Specification:Model:SIM800LPower supply: 5VCompatible: 3.3 V and 5 VWeight: Approx.18g/0.6oz This module power supply for 5 v, computer debug USB to TTL serial port. Power supply can output current of 800 mA, TTL serial interface is compatible with 3.3 V and 5 V single chip microcomputer.Can be connected directly with microcontroller. The IPX antenna, the antenna interface can be arbitrary switching PCB antenna, glue stick antenna and suction cups. SIM800L data 4 frequency communications, available in the world.Features: The small size is suitable for all kinds of embedded type Self projectile card slot, convenient change mobile phone card. Using the IPX interface, can arbitrarily change the antenna The board treated by gold plated, more stable performance. Wiring neat guarantee board guarantee board more stable in running Adding a protection device, which can realize anti reverse connection protection, high voltage protection, reduce the loss of the board, suitable for project and to learn.