Tags: SIM900A, Cellular, Module, GPRS, 3G, GSM, 2G

GSM SIM900A Cellular Module GPRS 3G GSM 2G

  • 99.00 AED
    • Ex Tax:99.00 AED
    • Product Code: SIM900A
    • Availability: In Stock
    SIM900A is a GSM module that functions like a phone. It can send a message, call a phone number and use GPRS to send data.The size of the module is 49*50, all the new and original device.The serial port circuit: support for 3.3V single-chip microcomputer. TTL serial port support3.3 and 5V single-chi..

    SIM900A is a GSM module that functions like a phone. It can send a message, call a phone number and use GPRS to send data.

    The size of the module is 49*50, all the new and original device.

    The serial port circuit: support for 3.3V single-chip microcomputer. TTL serial port support

    3.3 and 5V single-chip microcomputer.

    The SIM card circuit to increase the SMF05C ESD chip.

    Antenna circuit: guarantee short and straight, so as to ensure the signal strength.

    Two power supply interface: VCC5, 5V DC above 1A. Computer 5V power supply can be early computer USB. DC long data circuit over larger recommended 5V1A. VCC4, 3.5--4.5V power supply, ibid., suitable for lithium battery.


    Onboard Resources:

    Serial port circuit(with protection)

    The antenna interface circuit(SMA bend female port)

    SIM card circuit(flip SIM slot)

    4*3.5 fixture hole 4pcs

    SIM900A serial port output terminal

    SIM900A General Specification:

    • Dual-Band 900/ 1800 MHz

    • GPRS multi-slot class 10/8

    • GPRS mobile station class B

    • Compliant to GSM phase 2/2+

      • Class 4 (2 W @ 900 MHz)

      • Class 1 (1 W @ 1800MHz)

    • Dimensions: 24x24x3mm

    • 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

    • Fax: Group 3, Class 1

    • 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

    • SMS

      • Point to point MO and MT

      • SMS cell broadcast

      • Text and PDU mode

    • Voice

      • Tricodec

        • Half rate (HR)

        • Full rate (FR)

        • Enhanced Full rate (EFR)

      • Hands-free operation (Echo suppression)

      • AMR

        • Half rate (HR)

        • Full rate (FR)

    • Firmware Support

      • FOTA

      • MMS

      • Java (cooperate with Iasolution)

      • Embedded AT

    • Other features

      • 0710 MUX protocol

      • Embedded TCP/UDP protocol

      • FTP/HTTP

    • Interfaces

      • Interface to external SIM 3V/ 1.8V

      • Analog audio interface

      • RTC backup

      • SPI interface (option)

      • Serial interface

      • Antenna pad

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