5351 
1PCS SIM900A Dual-band GSM GPRS Wireless SMS Transmission Module For Raspberry P

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Description :
Dual-band 900/1800 MHz
GPRS multi-slot class 10/8
GPRS mobile station class B
Meet GSM 2/2 + standards
- Class 4 (2 W @ 900 MHz)
- Class 1 (1 W @ 1800MHz)
Size: 24 x 24 x 3 mm

Controlled by AT commands(GSM 07.07, 07.05 and SIMCOM enhanced AT command set)
SIM application toolkit
Supply voltage range: 3.2-4.8V
Low power consumption: 1.5mA (sleep mode)
Operating temperature range: -40 ° C to +85 ° C.

Fax
Group 3, class 1

Data transmission
GPRS class 10: up to 85.6 kbps (downlink rate)
Support PBCCH
Coding schemes CS 1, 2, 3, 4
The CSD up to 14.4 kbps
USSD
Non-pass through
PPP-stack

SMS
Point-to-point MO and MT
SMS broadcasting
Text and PDU mode

Software features
0710 the MUX protocol
Embedded TCP/UDP protocol
FTP/HTTP (by July 2010 implementation)

Enhanced version of software features Of FOTA (2010 implementation)
MMS (2010 implementation)
The Embedded AT (the first three quarter can be achieved)

Voice
Tricodec
- Half Rate (HR)
- Full rate (FR)
- Enhanced Full Rate (EFR)
Support for echo suppression algorithm
 AMR
- Half Rate (HR)
- Full rate (FR)

Interface
Support SIM card is 3V/1.8V interface
Analog Audio Interface
Support RTC
SPI interface
Serial Interface
Antenna pad
I2C
GPIO
PWM
ADC

Compatibility
AT cellular command interface

Certification:
ROHS
TA
REACH

Package includes :
1PCS SIM900A Dual-band GSM GPRS Wireless SMS Transmission Module For Raspberry Pi