SIM900 全球行動通訊系統模組,通用封包無線服務技術模組GPRS/GSM Module AT Commands
The SIM900 is a complete Quad-band GSM/GPRS solution in a SMT module which can be embedded in the customer applications.
Featuring an industry-standard interface, the SIM900 delivers
GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS,
Data, and Fax in a small form factor and with low power consumption. With a tiny configuration of 24mm x 24mm x 3 mm, SIM900 can fit almost all the space requirements in your M2M application, especially for slim and compact demand of design.
- SIM900 is designed with a very powerful single-chip processor integrating
AMR926EJ-S core
- Quad - band GSM/GPRS module with a size of 24mmx24mmx3mm
SMT type suit for customer application
- An embedded Powerful TCP/IP protocol stack
Based upon mature and field-proven platform, backed up by our support
- service, from definition to design and production
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)
- 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 3.4 ... 4.5 V
- Low power consumption
- Operation temperature: -30 °C to +80 °C
Specifications for data
- GPRS class 10: max. 85.6 kbps (downlink)
- PBCCH support
- Coding schemes CS 1, 2, 3, 4
- CSD up to 14.4 kbps
- USSD
- Non transparent mode
- PPP-stack
Specifications for SMS via GSM/ GPRS
- Point-to-point MO and MT
- SMS cell broadcast
- Text and PDU mode
Drivers
-MUX Driver
Specifications for voice
- Tricodec
– Half rate (HR)
– Full rate (FR)
– Enhanced Full rate (EFR)
– Hands-free operation (Echo suppression)
- AMR
Half Rate(HR)
Full Rate(FR)
Interfaces
- Interface to external SIM 3V/ 1.8V
- analog audio interface
- RTC backup
- SPI interface
- Serial interface
- Antenna pad
- I2C
- GPIO
- PWM
- ADC
Compatibility
- AT cellular command interface
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