The SIMCom SIM900DS is a highly versatile GSM/GPRS module designed for a wide range of applications. It supports quad-band frequencies, including 850/900/1800/1900MHz, making it compatible with networks worldwide. The module complies with GSM phase 2/2+ and GPRS class 10/8 standards, ensuring reliable and efficient communication.
Key features of the SIM900DS include:
1. Embedded TCP/IP stack: This module integrates a TCP/IP protocol stack, enabling seamless internet connectivity for various IoT applications.
2. Serial interface: It offers a standard UART interface for easy integration with microcontrollers and other devices, simplifying the development process.
3. Compact size: With its small form factor, the SIM900DS is highly suitable for space-constrained designs, making it ideal for applications such as telematics, security systems, and remote monitoring.
4. Powerful performance: The module boasts a 32-bit ARM7 microcontroller, providing high processing power for data-intensive tasks and ensuring efficient operation.
5. Extended operating temperature range: The SIM900DS is designed to function reliably in extreme environments, with an operating temperature range of -40°C to +85°C, making it suitable for harsh industrial applications.
Overall, the SIMCom SIM900DS is a feature-rich and reliable GSM/GPRS module that offers extensive compatibility, robust performance, and seamless connectivity for a wide range of IoT applications.
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General features
- Quad-Band 850/900/1800/1900 MHz
- GPRS multi-slot class 10/8
- GPRS mobile station class B
- Compliant to GSM phase 2/2+
– Class 4 (2 W @850/ 900 MHz)
– Class 1 (1 W @ 1800/1900MHz)
- SAIC (Single Antenna Interference Cancellation) support
- Dimensions: 24* 24 * 3 mm
- Weight: 3.4g
- Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
- SIM application toolkit
- Supply voltage range : 3.2~4.8V
- Low power consumption: 1.5mA(sleep mode& BS-PA-MFRMS=9 )
- Operation temperature: -40 ℃ to +85 ℃
Specifications for Fax
Specifications for GPRS Data
- GPRS class 10: max. 85.6 kbps (downlink)
- PBCCH support
- Coding schemes CS 1, 2, 3, 4
- PPP-stack
Specifications for CSD Data
- USSD
- Non transparent mode
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Specifications for SMS via GSM/GPRS
- Point to point MO and MT
- SMS cell broadcast
- Text and PDU mode
Software features
- 0710 MUX protocol
- Embedded TCP/UDP protocol
- FTP/HTTP
- MMS
- E-MAIL
- DTMF
- NETSCAN
- JD
- SSL
Specifications for Voice
- Tricodec
– Half rate (HR)
- – Full rate (FR)
- – Enhanced Full rate (EFR)
- AMR
- Half rate (HR)
- - Full rate (FR)
- Hands-free operation (Echo suppression)
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Interfaces
- SIM Card Interfaces (Dual Standby)
-SIM card 1: 3V/ 1.8V
-SIM card 2: 3V/ 1.8V
- Analog audio interface
- RTC backup
- SPI interface
- Serial interface
- Antenna pad
- PCM
- I2C
- GPIO
- ADC
Compatibility
- AT cellular command interface
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