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- This is SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna
- Dual-band GSM/GPRS engine operating in EGSM 900MHz and DCS 1800MHz frequencies
- GPRS multi-slot class 10/ class 8 for efficient data transmission
- Supports GPRS coding schemes CS-1, CS-2, CS-3, and CS-4
- Easy communication with a mobile SIM card using GPRS/GSM technology
- Compatible with popular microcontrollers such as Arduino and Raspberry Pi
- RS232 interface for direct communication with a computer or MCU kit
- Compact size suitable for embedded applications
- Ideal for SMS, voice, and data transfer in M2M applications
SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna
The SIM900A Modem incorporates the SIM900A GSM module from SIMCOM, a dual-band GSM-based modem. It operates within the 900MHz frequency range and has the capability to automatically search for these two bands. Additionally, the frequency bands can be configured using AT Commands. The baud rate can be adjusted within the range of 1200-115200 through AT commands as well. This ultra-compact wireless module features an interface that facilitates connections with both PCs and microcontrollers through the RS232 Chip (MAX232).
Designed for M2M applications, the SIM900A Modem is ideal for SMS, voice, and data transfer purposes. Its onboard regulated power supply accommodates a wide range of unregulated power sources. With this modem, you can effortlessly perform tasks such as making audio calls, sending and receiving SMS messages, reading SMS content, and handling incoming calls using simple AT commands. This SMT-type GSM module is a complete solution, incorporating a powerful single chip that enables its compact size. It offers serial and TTL outputs for easy integration and utilization.
check out: SIM800 GSM MODEM MODULE BOARD WITH SMA ANTENNA
Features:
- Dual-band GSM/GPRS engine
- Operates on frequencies: EGSM 900MHz and DCS 1800MHz
- GPRS multi-slot class 10/ class 8 (optional)
- Supports GPRS coding schemes: CS-1, CS-2, CS-3, and CS-4
- Utilizes GPRS/GSM technology for communication with a mobile SIM card
- Compatible with various microcontrollers such as Arduino and Raspberry Pi
- Suitable for embedded applications
- RS232 interface for direct communication with a computer or MCU kit
- Compact size
- Suitable for IoT-based projects and embedded systems
- Applications include voice call and SMS applications, IoT applications, and location tracking systems.
read our blog explaining the interfacing gsm module with arduino, which provides a comprehensive guide.
Application:
- Cellular Communication.
- Home Automation.
- Security-based projects.
- Sensors monitoring.
- Robotics.
- Mobile Phone Accessories.
- Servers.
- Computer Peripherals.
- Automobile.
- USB Dongles.
read our blog explaining the gsm module connection with arduino, which provides a comprehensive guide.
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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Package Includes:
- 1 x SIM900 850/900/1800/1900 MHz GSM Development Board Module
- 1 x SMA Antenna
SIM900A GSM Module Specifications:
|
Compatible With |
Arduino, raspberry pi, arm, avr, pic, 8051 |
|
Frequency bands |
Dual-Band GSM/GPRS 900/ 1800 MHz |
|
Operating Temperature Range |
-20 °C to +55 °C |
|
Power supply |
12v 1amp to 2 amps max |
Specifications:
Compatible With
Specifications:
Arduino, raspberry pi, arm, avr, pic, 8051
Specifications:
Frequency bands
Specifications:
Dual-Band GSM/GPRS 900/ 1800 MHz
Specifications:
Operating Temperature Range
Specifications:
-20 °C to +55 °C
Specifications:
Power supply
Specifications:
12v 1amp to 2 amps max
1. What is SIM900A GSM module?
- SIM900A is a small and dependable wireless module. This is an SMT GSM/GPRS module with a very powerful single-chip processor integrating the AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.
2. What is GSM and GPRS used for?
- The GSM network is circuit-switched. The GPRS network is packet-switched. GSM technology offers a data rate of approximately 9.6 kbps (kilobytes per second) to all of its users. For all users, the GPRS technology provides a data rate ranging from 14.4 kbps to 115.2 (kilobytes per second).
3. What is the purpose of GSM module?
- A customized Global System for Mobile Communication (GSM) module is designed for wireless radiation monitoring via Short Messaging Service (SMS). This module can receive serial data from radiation monitoring devices such as survey meters or area monitors and send it as text SMS to a host server.
4. Can I connect the SIM900A to the Internet?
- SIM900A supports General Packet Radio Service (GPRS) for internet access via HTTP. This is a complete GSM module in SMT form, made with a very powerful single-chip that allows for small dimensions.
