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- This is SIM 800A GSM Modem with SMA Antenna
- Quad-band 900/1800 MHz
- 9V-12V DC Input Power
- RS232 Interface for communication
- UART & I2C breakouts for microcontroller communication
- Can be configured via AT commands
- Built-in SIM Card holder and Network Status LED
- Comes with an SMA Antenna for better range
SIM 800A GSM Modem with SMA Antenna
The SIM800A Dual-Band GSM/GPRS Module with RS232 Interface is a complete solution for Dualband GSM/GPRS communication. With the SIM800A GSM module, you can transmit voice, texts, and data over mobile carriers and communicate with it using protocols such as RS232, UART, and I2C.
This GSM module can be easily configured using AT commands, making it an ideal choice for interfacing with various microcontrollers and/or PCs. It also has a built-in SIM slot and can connect to networks operating at the supported frequency, providing you with a new channel of communication through voice, SMS texts, and data. The SIM800A module includes an SMA connector and antenna, ensuring reliable signal strength to the network.
Connection Details:
The module has to be powered through the onboard DC jack with an input voltage between 9-12V The module can be connected to the microcontroller via the onboard UART or I2C pins. The module also contains an onboard RS232 connector, to connect to other devices via RS232 protocol.
Connections with Microcontroller:
| Micro-controller | SIM800A |
| 5V | VCC (not required if powered externally |
| GND | GND |
| Tx | Rx |
| Rx | Tx |
Features:
- Quad-band GSM/GPRS module
- Frequencies supported: GSM 850MHz, EGSM 900MHz, DCS 1800MHz, and PCS 1900MHz
- Supports GPRS multi-slot class 12/ class 10 (optional)
- GPRS coding schemes supported: CS-1, CS-2, CS-3, and CS-4
- SMA antenna connector
- RS232 interface for communication
- UART and I2C breakouts for easy connection with a computer or laptop
- Inbuilt powerful TCP/IP protocol stack for internet data transfer over GPRS
- Low power consumption
- Operating temperature range: -40°C to +85°C
- Some models may support Bluetooth function
- Programmable general-purpose input and output (GPIO)
- Power supply voltage: 12V
- Dual-band frequency range: 900/1800MHz
Applications:
- Remote Data Monitor and Control.
- IoT Applications
- AMR (automatic meter reading).
- Power station monitoring and control.
- Remote POS (point of sale) terminals.
- Traffic signals monitor and control.
- Fleet management.
- Vending machine.
- Traffic info guidance.
- Parking meter and Taxi Monitor.
- Telecom equipment supervision (Mobile base station, microwave or optical relay station)
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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Specifications:
| Model | SIM800A |
| Voltage Supply (VDC) | 9-12 |
| Frequency Bands | GSM 900/1800 MHz |
| Operating Temperature | -40°C to +85°C |
| Dimensions | 24 x 24 x 2.5mm |
| Weight | 10g |
1.What is GSM module SIM800A?
- GSM module SIM800A is a cellular module that operates on the 2G (GSM/GPRS) network. It supports cellular network communication and includes features such as voice calls, SMS messaging, and data transfer. The module is intended to be integrated into a variety of applications, such as IoT devices, that require communication over a cellular network.
2.Does SIM800A support 4G SIM?
- No, the SIM800A is a 2G (GSM/GPRS) module and does not support 4G (LTE) network. It is designed to work with 2G SIM cards only. If you need a module that supports 4G, you may consider other cellular modules that support LTE network.
3.What voltage is SIM800A?
- The SIM800A module operates on a voltage range of 3.4V to 4.5V DC. It is recommended to use a regulated power supply to ensure stable voltage input and prevent damage to the module. The specific voltage requirements may vary depending on the operating mode and the specific application requirements. It is important to consult the datasheet for the module for more information on the voltage requirements and operating conditions.
4.What is the difference between sim800a and SIM900A?
- The SIM800A and SIM900A are both cellular modules that support 2G (GSM/GPRS) network, but there are some differences between them:
- Frequency bands: The SIM800A supports 900 MHz and 1800 MHz frequency bands, while the SIM900A supports the 900 MHz frequency band only.
- Package type: The SIM800A is available in a compact LGA form factor, while the SIM900A is available in a larger PCB form factor.
- Power consumption: The SIM800A is designed to have lower power consumption compared to the SIM900A, making it more suitable for battery-powered applications.
- Features: The SIM800A has more advanced features compared to the SIM900A, including TCP/IP stack, HTTP protocol support, and built-in MP3 decoder.
