1.Quad-Band GSM/GPRS solution;
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gsm module sim900
• GSM module sim900SIMCom presents an ultra compact and reliable wireless module-SIM900. This is a complete Quad-band GSM/GPRS module in a SMT 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 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 applications, especially for slim and compact demands of design.
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*3mm
• 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: 1.0mA(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
Special firmware
• FOTA
• MMS
• Java (cooperate with Iasolution)
• Embedded AT
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 (option)
• Serial interface
• Antenna pad
• I2C
• GPIO
• PWM
• ADC Compatibility
• AT cellular command interface
Certificates
• CE
• FCC
• ROHS
• PTCRB
• GCF
• IC
• ICASA
• REACH Carrier Approvals * AT&T * NCC * Anatel * Rogers * Orange * Vodafone