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SIM 900 GSM/GPRS Modem
GSM (Global System for Mobile) / GPRS (General Packet Radio Service) TTL-Modem is SIM900A Dual-band GSM / GPRS device, works on frequencies 900 MHz and 1800 MHz. It is very compact in size and easy to use as plug in GSM Modem. The Modem is designed with 3V3 and 5V DC TTL interfacing circuitry, which allows User to directly interface with 5V Microcontrollers (PIC, AVR, Arduino, 8051 etc.) as well as 3V3 Microcontrollers (ARM, ARM Cortex XX, etc.). The baud rate can be configurable from 9600-115200 bps through AT (Attention) commands. This GSM/GPRS TTL Modem has internal TCP/IP stack to enable User to connect with internet through GPRS feature. It is suitable for SMS as well as DATA transfer application in mobile phone to mobile phone interface.
Features
- Dual Band GSM/GPRS : 900 / 1800 MHz
- Built in RS232 to TTL and viceversa Logic Converter (MAX232)
- Configurable Baud Rate
- SMA (SubMiniature version A) connector with GSM L Type Antenna
- Built in SIM (Subscriber Identity Module) Card holder
- Built in Network Status LED
- Inbuilt Powerful TCP / IP (Transfer Control Protocol / Internet Protocol) stack for internet data transfer through GPRS (General Packet Radio Service)
- Audio Interface Connectors (Audio in and Audio out)
- Most Status and Controlling pins are available
- Normal Operation Temperature : -20 °C to +55 °C
- Input Voltage : 5V to 12V DC
- DB9 connector (Serial Port) provided for easy interfacing
The SIM 900 GSM/GPRS Modem package contains following materials:-
Hardwares
- SIM 900 GSM/GPRS Modem- 1pc.
Sample Codes & Circuit Diagrams
- SIM900 GSM/GPRS Modem Interfacing with ATmega16
- SIM Card Presence Detection in SIM900 GSM/GPRS Modem with ATmega16
- Dialing a Number from SIM900 GSM/GPRS Modem with ATmega16
- Sending SMS from SIM900 GSM/GPRS Modem with ATmega16
- Reading SMS from SIM900 GSM/GPRS Modem with ATmega16
- Deleting SMS from SIM900 GSM/GPRS Modem with ATmega16
- Receiving an Incoming Call in SIM900 GSM/GPRS Modem with ATmega16
- Disconnecting/Hanging an Incoming Call in SIM900 GSM/GPRS Modem with ATmega16
- Disconnecting/Hanging an Ongoing Call in SIM900 GSM/GPRS Modem with ATmega16-I
- Disconnecting/Hanging an Ongoing Call in SIM900 GSM/GPRS Modem with ATmega16-II
- ATmega16 to PC Communication with LED Display
- PC to ATmega16 Communication with LED Display
- Full Duplex Communication between PC and ATmega16 with LED Display
- ATmega16 to PC Communication with LCD Display
- PC to ATmega16 Communication with LCD Display
- Full Duplex Communication between PC and ATmega16 with LCD Display
- 16X2 Alphanumeric LCD Interfacing with ATmega16
- Horizontal Scrolling in 16X2 Alphanumeric LCD with ATmega16
- Vertical Scrolling in 16X2 Alphanumeric LCD with ATmega16
- SIM900 GSM/GPRS Modem Interfacing with ATmega32
- SIM Card Presence Detection in SIM900 GSM/GPRS Modem with ATmega32
- Dialing a Number from SIM900 GSM/GPRS Modem with ATmega32
- Sending SMS from SIM900 GSM/GPRS Modem with ATmega32
- Reading SMS from SIM900 GSM/GPRS Modem with ATmega32
- Deleting SMS from SIM900 GSM/GPRS Modem with ATmega32
- Receiving an Incoming Call in SIM900 GSM/GPRS Modem with ATmega32
- Disconnecting/Hanging an Incoming Call in SIM900 GSM/GPRS Modem with ATmega32
- Disconnecting/Hanging an Ongoing Call in SIM900 GSM/GPRS Modem with ATmega32-I
- Disconnecting/Hanging an Ongoing Call in SIM900 GSM/GPRS Modem with ATmega32-II
- ATmega32 to PC Communication with LED Display
- PC to ATmega32 Communication with LED Display
- Full Duplex Communication between PC and ATmega32 with LED Display
- ATmega32 to PC Communication with LCD Display
- PC to ATmega32 Communication with LCD Display
- Full Duplex Communication between PC and ATmega32 with LCD Display
- 16X2 Alphanumeric LCD Interfacing with ATmega32
- Horizontal Scrolling in 16X2 Alphanumeric LCD with ATmega32
- Vertical Scrolling in 16X2 Alphanumeric LCD with ATmega32
Softwares, Installation Guides, User Guides
- Atmel Studio 6
- SinaProg
- USBasp driver(for Window XP, Vista , 7 and 8)
- RealTerm
- USB to Serial Driver(for Window XP, Vista , 7 and 8)
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