SMALLEST SIM800L GPRS GSM MODULE MICROSIM CARD CORE BOARD QUAD-BAND TTL SERIAL PORT

SMALLEST SIM800L GPRS GSM MODULE MICROSIM CARD CORE BOARD QUAD-BAND TTL SERIAL PORT

Fr14,000 Fr12,000

Chip: SIM800L
Voltage: 3.7-4.2V
Support networks: China Mobile, China Unicom and global quad-band network
Module size: 2.5cmx2.3cm
TTL serial port for serial port, you can link directly to the microcontroller.
No need MAX232
Power module automatically boot, homing network
Onboard signal lights all the way . It flashes slowly when there is a signal,
it flashes quickly when there is no signal

Description

Chip: SIM800L
Voltage: 3.7-4.2V
Support networks:  Mobile network and global quad-band network
Module size: 2.5cmx2.3cm
TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232
Power module automatically boot, homing network
Onboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is  no signal

Seven features of this product:
1.SIMCOM industrial-level module: SIM900A.
2.1000UF high quality tantalum capacitors, powerful filter power.
3.TVS anti-surge anti-interference circuit is suitable for industrial situations.
4. Curved wiring + high performance antenna, the signal is very strong.
5. Gold-plated connection (IPX) with good contact performance.
6. Welding process of industrial grade patch, stable welding spot.
7. Anti-static and shock-proof bubble bag packaging, transportation safety.

 

The eight functions are widely used:
1. Voice call function — telephone alarm.
2. Receiving – sending SMS messages – SMS controller, SMS alarm.
3.GPRS function – communicate with the server and send and receive data through traffic.
4.MMS function – MMS send pictures, security and only home suitable for use.
5.DTMF function – resolve the key value of each other in the call and remote control of the phone.
6.TTS function – speech synthesis {need to contact us
7.LBS function – base station positioning.
8. Bluetooth 3.0 function.

 

Pin description:
PWK– remove the short circuit point and drop down the switch.
DTR – DTR pin
RI – RING pin
RST— module reset.
TXD— connect to the RXD of MCU.
RXD— connect to the TXD of MCU.
GND – GND function
+5V– standard 5V power supply.
VBTA— connect lithium battery.
GND – GND function
NET— signal instructions.
D-R—–connect headphones-
D-T– connect the headset +.
SPKP—- connect the microphone –
MICP– connect microphone +.