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  • SIM900 GPRS/GSM Shield Development Board Quad-Band Module For Arduino Compatible 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.


    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 

    Package included:

    GPRS/GSM SIM900 Shield Development Board   x  1

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  • RF wireless receiver module & transmitter module board for arduino super regeneration 315/433MHZ set ()

    Receiver module parameters

    Product Model: XY-MK-5V

    Operating voltage : DC5V                quiescent current: 4MA                 

    Receiving frequency: 433.92MHZ   

    Receiver sensitivity: - 105DB

    Size : 30 * 14 * 7mm   external antenna: 32CM single core wire wound into a spiral

    Technical parameters of the transmitter head

    Product Model: XY-FS

    Launch distance: 20 -200 meters (different voltage, different results)    Operating voltage: 3.5-12V     Dimensions: 19 * 19mm

    Ways of working: AM                transfer rate: 4KB / S          transmit power: 10mW              

    Transmitting frequency: 433M

    An external antenna: 25cm ordinary multi-core or single-core line

    Pinout from left → right: ( DATA ; VCC ; GND )

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