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    Item Description

Item 1:


SIM900 Shield Development Board Quad-Band Module Kit For Arduino Compatible

Description

100% brand new and high quality
The GPRS Shield is based on SIM900 module from SIMCOM and compatible with Arduino and its clones. The GPRS Shield provides you a way to communicate using the GSM cell phone network. The shield allows you to achieve SMS, MMS, GPRS and Audio via UART by sending AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands). The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module(They are all 2V8 logic) present onboard.

Features

Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world. 
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)
Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands.
Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal).
Embedded TCP/UDP stack - allows you to upload data to a web server.
RTC supported.
Selectable serial port.
Speaker and Headphone jacks
Low power consumption - 1.5mA(sleep mode)
Industrial Temperature Range - -40°C to +85 °C 
Size:8.5x5.7x2cm(approx)

Package included:

1 x GPRS/GSM SIM900 Shield Development Board 


Item 2:

SIM900 Standard New Tech Wireless GPRS Quad-Band GSM / GPRS Module

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

package included:
1 x SIM900 SIMCOM Quad-band GSM GPRS Module


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