SIMCom presents a compact and reliable wireless module-SIM900S which is compatible with the module-SIM300. This is a complete Dual-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. The target market of SIM900S is China mainland and India.
SIM900S delivers GSM/GPRS 900/1800MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. The leading features of SIM900S make it ideal for applications such as WLL applications and handheld devices.
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General features
- Dual-Band 900/ 1800MHz
- GPRS multi-slot class 10/8
- GPRS mobile station class B
- Compliant to GSM phase 2/2+
– Class 4 (2 W @900 MHz)
– Class 1 (1 W @1800MHz)
- 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)
- Operation temperature: -20 °C to +60 °C
Specifications for Fax
Specifications for GPRS Data
- GPRS class 10: max. 85.6 kbps (downlink)
- PBCCH support
- Coding schemes CS 1, 2, 3, 4
- PPP-stack
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Specifications for CSD Data
- CSD up to 14.4 kbps
- 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
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)
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Interfaces
- 60 PIN Board-to-board connector
- Two analog audio interface
- RTC backup
- SPI interface
- UART interface
- SIM Interface
- Option1: SIM holder (to external SIM 3V/ 1.8V
- - Option2: Embeded SIM
- Keypad
- GPIO
- PWM
- ADC
- Antenna connector
Compatibility
- AT cellular command interface
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