Module
(26)
Mobile Phone
(1)
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)
•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 :3.1 ... 4.8V
•Low power consumption: 1.5mA(sleep mode)
•Operation temperature: -40 °C to +85 °C
Specifications for Fax
•Group 3, class 1
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
Software features
•0710 MUX protocol
•embedded TCP/UDP protocol
•FTP/HTTP( available at July ,2010)
Enhanced version add following features:
•FOTA ( available at July ,2010)
•MMS (available at July ,2010)
•Embedded AT (available at Q3,2010)
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
•60 PIN Board-to-board connector
•Interface to external SIM 3V/ 1.8V
•Two analog audio interface
•RTC backup
•SPI interface
•Serial interface
•Embedded SIM (option )
•Embedded SIM Holder (option )
•Keypad
•GPIO
•PWM
•ADC
•Antenna connector
Compatibility
•AT cellular command interface
Approvals (on going)
•CE
•FCC
•ROHS
•PTCRB
•GCF
•IC
•ICASA
•TA