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Help CenterWirelless Module GSM GPRS Module SIM900-DS SIMCOM
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SIM900-DS
SIMCom presents an ultra compact and reliable wireless module---SIM900-DS with special features, Dual-SIM Dual-Standby, which allows customers to use two SIM cards in one device simultaneously. This is a complete Quad-band GSM/GPRS module with a SMT type and designed with a very powerful single-chip processor integrating ARM926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.
Featuring an industry-standard interface, SIM900-DS 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 24*24*3 mm same as SIM900, it 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)
·SAIC (Single Antenna Interference Cancellation) support
·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 : 3.2~4.8V
·Low power consumption: 1.5mA(sleep mode& BS-PA-MFRMS=9 )
·Operation temperature: -40 °C to +85 °C
Specifications for Fax
·Group 3, class 1
Specifications for GPRS Data
·GPRS class 10: max. 85.6 kbps (downlink)
·PBCCH support
·Coding schemes CS 1, 2, 3, 4
·PPP-stack
Specifications for CSD Data
·USSD
·Non transparent mode
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
·MMS
·E-MAIL
·DTMF
·NETSCAN
·JD
·SSL
Specifications 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
·SIM Card Interfaces (Dual Standby)
---SIM card 1: 3V/ 1.8V
---SIM card 2: 3V/ 1.8V
·Analog audio interface
·RTC backup
·SPI interface
·Serial interface
·Antenna pad
·PCM
·I2C
·GPIO
·ADC
Compatibility
·AT cellular command interface
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