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DC 5V Sim900a Wireless Data Transmission Module GSM GPRS Board Kit With Ant

Categories Controller Board for Arduino
Brand Name: OEM
Model Number: OKY2223-7
Place of Origin: Guangdong China (Mainland)
MOQ: 10 Piece/Pieces
Price: USD9.18-9.98/piece
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 10000 Piece/Pieces per Day
Delivery Time: 1-3 workdays after payment
Packaging Details: Different package at optional: 1. Retailing Package: Crystal box 2. Bulking Packing:plastic case 3. Retailing Box package design according to your requirement( Order > 1000PCS)
Certification: RoHS
TTL level: 3.3V and 5V
power supply: 3.5--4.5V
OEM/ODM: Available
Delivery time: 1-3 workdays
VCC5: DC 5V input
VCC4: DC3.5--4.5 input
Stock: Rich
User: Students,Engineers etc.
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    DC 5V Sim900a Wireless Data Transmission Module GSM GPRS Board Kit With Ant

    Sim900a Wireless Data Transmission Module GSM GPRS Board Kit With Ante


    Product Description

    1. Support 2, mobile phone 3, 4G card.

    2. The onboard two set power supply interface VCC5 5V power supply, VCC4 interface, 3.5--4.5V power supply, optional power on self starting (default) and control start.

    3. The onboard SMA (default) and IPXmini antenna interface, SIM900A interface reserved reset.
    4. The computer can give early computer debugging USB module power supply, a very large amount of data under the condition of the recommended current more than 1A.

    5. Standby dozens of MA data can be set to provide dormancy, dormancy of 10MA low power.

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

    7. The SIM card circuit to increase the SMF05C ESD chip.

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

    9. PCB display screen printing mark: each interface, convenient development two times, the SIM900/A hardware is completely follow the design when the design manual.

    10. A TTL level, compatible with 3.3V and 5V.

    11. The two antenna interface, the default SMA straight head, connector for IPXmini antenna.


    The control interface of each pin description

    GND - GND
    SIMR SIM900A RXD, TTL level, can not be directly connected to the 232 level
    SIMT SIM900A TXD, TTL level, can not be directly connected to the 232 level
    RST - SIM900A reset, active low
    VCC_MCU when the SIM900A module and 5V TTL level communication, this pin is connected to DC 5V; when the level of communication of SIM900A and 3.3V TTL, this pin is connected to DC 3.3V
    VCC5----DC 5V input
    VCC4----DC3.5--4.5 input


    Detail Photos


    Circuit Diagram


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