GPRS GSM module SIM900A Wireless Extension Sensor Board with Antenna
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 +.
Specification: GPRS GSM module SIM900A Wireless Extension Sensor Board with Antenna
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6 Months Warranty
This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.
What voids the warranty:
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
15 reviews for GPRS GSM module SIM900A Wireless Extension Sensor Board with Antenna
Add a review
8,50$
D***v –
The parcel came quickly, everything is fine.
R***r –
fast, accurate, good 🙂
M***R –
product didn’t arrive in time. made complain. store gave full refund. I commend him. will buy from him still
N***n –
ok
E***o –
Item is defective and opened dispute for refund.
I***v –
good
G***a –
to day
I***v –
The module stitched the latest firmware with simcom all works but there are certain problems it reacts to at commands only from the program putty
I***s –
store shipped the item quickly and appreciate his efforts. the product looks good.did not test it. leave additional feedback after testing it. thanks…
M***a –
no itam this address G61 RAJVED COLONY PRIYANKA NAGAR KOLAR ROAD BHOPAL
C***s –
Slow, very very slow
B***t –
Norms
K***k –
Did not check performance, but sent quickly, packed well
G***z –
Product not acted, store oddał pieniadze
Customer –
Everything works and corresponds to the description, but the delivery is very long.