SIM900B

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) * SAIC (Single Antenna Interference Cancellation)
* 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: -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
* 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

Enhanced version add following features
*FOTA * MMS
* 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
* 60 PIN Board-to-board connector
* Interface to external SIM 3V/ 1.8V
* Two analog audio interface
* RTC backup
* SPI interface
* Serial interface
* SIM Card
- Option1: SIM holder
- Option2: Embeded SIM
* Keypad
* GPIO
* PWM
* ADC
* Antenna connector

Compatibility
* AT cellular command interface

Approvals
* CE
* FCC
* ROHS
* PTCRB
* GCF
* IC
* ICASA

We are a highly experienced telecommunications network support provider, specialising in the supply and ongoing support of legacy equipment with warehouses located in the China,HongKong and UK stocking over 100,000 items.

Our management team have over 20 years combined experience within the carrier telecoms industry that has helped to develop and refine each of our core services: spare part supply, repair and refurbishment, asset management and network support.

By partnering with carriers and end-users to acquire, redeploy, resell and recycle their telecommunication assets, we offer services that not only extend the life of existing telecommunication networks, but generate maximum revenue, reduce expenses and help organisations meet their environmental goals.

Our clients range from large-scale multinational organisations and fixed and mobile operators, to leading equipment manufacturers and various other channel partners that are located all around the world.