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
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Quad-Band 850/900/ 1800/ 1900 MHz
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GPRS multi-slot class 10/8
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GPRS mobile station class B
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Compliant to GSM phase 2/2+–Class 4 (2 W @850/ 900 MHz)–Class 1 (1 W @ 1800/1900MHz)
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SAIC (Single Antenna Interference Cancellation) support
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Dimensions: 40* 33 * 3 mm
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Weight: 7g
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Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
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SIM application toolkit
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Supply voltage range :3.2~4.8V
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Low power consumption: 1.0mA(sleep mode &BS-PA-MFRMS=9 )
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Operation temperature: -40 ~ +85 °CSpecifications for Fax
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Group 3, class 1Specifications for GPRS Data
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GPRS class 10: max. 85.6 kbps (downlink)
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PBCCH support
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Coding schemes CS 1, 2, 3, 4
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PPP-stackSpecifications for CSD Data
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USSD
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Non transparent modeSpecifications for SMS via GSM/GPRS
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Point to point MO and MT
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SMS cell broadcast
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Text and PDU modeSoftware features
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0710 MUX protocol
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embedded TCP/UDP protocol
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FTP/HTTPEnhanced version features:
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FOTA
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MMS
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Embedded AT
Specifications for Voice
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Tricodec–Half rate (HR)–Full rate (FR)–Enhanced Full rate (EFR)
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AMR-Half rate (HR)-Full rate (FR)
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Hands-free operation（Echo suppression）Interfaces
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60 PIN Board-to-board connector
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Interface to external SIM 3V/ 1.8V
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Two analog audio interface
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RTC backup
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SPI interface
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Serial interface
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SIM Card
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Option1: SIM Holder
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Option2: Embedded SIM
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Keypad
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GPIO
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PWM
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ADC
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Antenna connectorCompatibility
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AT cellular command interfaceCertifications
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CE
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FCC
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GCF
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IC
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ROHS
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PTCRB
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REACH