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SIM900A Mini Module 5V

RBD-0318

This module is intended for advanced users who require moderate knowledge of GSM systems and microcontrollers. It needs wiring and firmware updates to unlock the country lock. We do not provide technical support, so please consider this when purchasing this item. RoboticsBD

  • Dual-Band 900/ 1800 MHz
  • GPRS multi-slot class 10/8GPRS mobile station class B
  • Compliant to GSM phase 2/2+
  • Dimensions: 24*24*3 mm
  • Weight: 3.4g
  • Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
  • Supply voltage range : 5V
  • Low power consumption: 1.5mA (sleep mode) RoboticsBD
  • Operation temperature: -40°C to +85 °
BDT 1,100
rating Read the 9 reviews
Average rating: 3.5/5 - Number of reviews: 9
Quantity
In-Stock

  • Store Pickup Available! Store Pickup Available!
  • Free Ship Over 5000 BDT Free Ship Over 5000 BDT
  • Quality Product Quality Product
  • No Warranty No Warranty
  • No Replacement No Replacement
Description

SIM900A Mini Module is built with Dual Band GSM/GPRS based SIM900A modem from SIMCOM. It works on frequencies 900/ 1800 MHz. SIM900A can search these two bands automatically. The frequency bands can also be set by AT Commands. The baud rate is configurable from 1200-115200 through AT command. The GSM/GPRS Modem is having internal TCP/IP stack to enable you to connect with internet via GPRS. SIM900A is an ultra compact and reliable wireless module. This is a complete GSM/GPRS module in a SMT type and designed with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.

Power supply You cannot power the module from the Arduino, as it is incapable of supplying the necessary peak currents. The Sim900 draws about 2A every so often. It's not necessary to build a 2A supply, as a large storage capacitor on the power supply output will supply the current. I am using a small switch mode buck power supply to step down from an external 12V DC source to 3.3V, with a 0.1F 5V super capacitor on its output and that works a treat. I believe that a 1000uF low esr cap will also work, but I've not tried it. The photo shows the power supply with a 0.1F cap underneath. RoboticsBD

Features :

  1. The onboard two set power supply interface VCC5 5V power supply, VCC4 interface, 3.5--4.5V power supply, optional power on self starting (default) and control start.
  2. The onboard SMA (default) and IPX mini antenna interface, SIM900A interface reserved reset. RoboticsBD
  3. The size of the module is 49*50, all the new and original device.
  4. The computer can give early computer debugging USB module power supply, a very large amount of data under the condition of the recommended current more than 1A. Standby dozens of MA data can be set to provide dormancy, dormancy of 10MA low power. Support 2, mobile phone 3,4G card
  5. The serial port circuit: support for 3.3V single-chip microcomputer. TTL serial port support.
  6. 3.3 and 5V single-chip microcomputer.
  7. Built-in SIM Cardholder.
  8. The SIM card circuit to increase the SMF05C ESD chip. RoboticsBD
  9. Antenna circuit: guarantee short and straight, so as to ensure the signal strength.
  10. Two power supply interface: VCC5, 5V DC above 1A. Computer 5V power supply can be an early computer USB. DC long data circuit over larger recommended 5V1A. VCC4, 3.5--4.5V power supply, ibid., suitable for a lithium battery.
  11. Low power. RoboticsBD

Sim990A

Application:

  1. The module is the best application to design a graphic for Voice call and SMS application.
  2. Some IoT applications, mostly in an emergency have the module.
  3. The location trancing system also uses SIM900A.
  4. SIM900A can use for mobile communication. RoboticsBD

General Specification
Power Input 3.4V to 4.5V
Operating Frequency EGSM900 and DCS1800
Transmitting Power Range 2V for EGSM900 and 1W for DCS1800
Data Transfer Link Download: 85.6kbps, Upload:42.8kbps
SMS MT, MO, CB, Text and PDU mode.
Antenna Support Available
Audio Input/output Available
Serial Port I2C and UART
Serial Debug Port Available
Shipment Weight 0.038 kg
Shipment Dimensions 5 x 5 x 5 cm

Documentation:

  1. Tutorial to Interface GSM SIM900A With Arduino.
  2. SIM900A GSM Module.
  3. Using the Sim900/sim900A Mini Module With Arduino UNO

Package Includes :

1 x SIM900A kit

1 x Power Cable

1 x Antenna

Product Details
RBD-0318
35 Items

Sim 900a is not working.
rating
23/11/2022
Fozle Alahi Khan
Sim 900a is not working. I have tried it with arduino 5v power supply and individual 5V 2A power supply and with gp and banglalink sim. but it never get connection with network. network led blinks in every seconds. Give me any solution or change the product with an working sim 900a module .
Time Waste
rating
19/09/2022
Shamim Ibrahim\r\nShamim Ibrahim
Country Lock kora ase. Firmware dileo Unlock hoy na. kine kono kaj e hoy nai. time Waste. Onno shop e same price e unlock product pawa jay.
Good
rating
31/12/2021
Md Mynul Islam
Good
SIM900A Mini Module 5V
rating
19/04/2021
Murshed
Ok, as described
great deal
rating
10/03/2020
Mohammd Kamruzzaman
works fine with 5v
Product
rating
10/03/2020
Ridwan
Product was good, but the price was high as per some other places.
Great product
rating
19/01/2020
Takrim hussain
Good one
b
rating
14/10/2019
Hridoy ray akash
connection problem with network
it work good
rating
03/12/2018
Mohammad H.
i am satisfy
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