SIMCom presents a compact and reliable wireless module SIM900B which is compatible with the module- SIM300/340 and SIM340E. This is a complete Quad-band GSM/GPRS module in a B2B 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.
Featuring an industry-standard interface, the SIM900B delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. SIM900B can fit almost all requirements in your M2M applications.
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)
- Dimensions: 40 * 33 * 3 mm
- Weight: 7g
- 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: 1.0mA(sleep mode&BS-PA-MFRMS=9)
- Operation temperature: -40°C to +85 °C
Specification for Fax
Specification for GPRS Data
- GPRS class 10: max. 85.6 kbps (downlink)
- PBCCH support
- Coding schemes CS 1, 2, 3, 4
- PPP-stack
Specification for CSD Data
- CSD up to 14.4 kbps
- USSD
- Non transparent mode
Specification for SMS
- Point to point MO and MT
- SMS cell broadcast
- Text and PDU mode
Software features
- 0710 MUX protocol
- Embedded TCP/UDP protocol
- FTP/HTTP
- FOTA
- MMS
- Embedded AT
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Specification 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
Interfaces
- 60pin board-to-board connector
- Interface to external SIM 3V/ 1.8V
- Two analog audio interfaces
- RTC backup
- SPI interface (option)
- U.FL antenna connector
- Serial interface
- Keypad
- I2C
- GPIO
- PWM
- ADC
Compatibility
- AT cellular command interface
Approvals
- CE, FCC, RoHS, PTCRB,
GCF, IC, AT&T
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