SIM900A Wireless Extension Module Board Antenna mini GPRS GSM Module

SIM900A Wireless Extension Module Board Antenna mini GPRS GSM Module

Product Code: COM-0263
Availability: In Stock
Viewed 1724 times

Product Description

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 +.

Write a review

Please login or register to review

When you order from, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order's shipment. You can choose your preferred shipping method on the Order Information page during the checkout process.

The total time it takes to receive your order is shown below:

The total delivery time is calculated from the time your order is placed until the time it is delivered to you. Total delivery time is broken down into processing time and shipping time.

Processing time: The time it takes to prepare your item(s) to ship from our warehouse. This includes preparing your items, performing quality checks, and packing for shipment.

Shipping time: The time for your item(s) to travel from our warehouse to your destination.

Shipping from your local warehouse is significantly faster. Some charges may apply.

In addition, the transit time depends on where you're located and where your package comes from. If you want to know more information, please contact the customer service. We will settle your problem as soon as possible. Enjoy shopping!