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  • $11.79
  • Free 30-day Returns
  • Ships from China.
    Sold by ThermalNest

    Shipped by ThermalNest

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    Meet Your Seller

    AJMRTC SIM800C GSM GPRS Module, 5V & 3.3V TTL Development Board with IPEX Antenna Port, Bluetooth & TTS Voice Function, for STM32 C51 MCU, Wireless Communication Electronic DIY Projects

    • - SIM800C GSM GPRS wireless module, supports 900/1800MHz dual-band cellular network for SMS and data transmission
    • - Equipped with IPEX antenna interface, built-in Bluetooth and TTS text-to-speech voice playback function
    • - 5V and 3.3V TTL level compatible, easy to connect directly with STM32, C51 and other mainstream microcontrollers
    • - Supports SMS sending/receiving, GPRS data transfer, voice call and ring detection for multiple wireless applications
    • - Compact onboard design, ideal for IoT remote monitoring, alarm systems and embedded electronic prototype builds
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    Overview
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    Any questions? Our AI mode will help you find out quickly.

    AJMRTC SIM800C GSM GPRS development board adopts the SIM800C cellular chip. It integrates GSM, GPRS, Bluetooth and TTS text-to-speech functions on one compact module. The IPEX antenna connector allows you to attach an external antenna for better signal reception.

    This board supports both 5V and 3.3V TTL logic levels, which is compatible with STM32 and C51 microcontrollers without extra level conversion circuits. It can implement SMS sending and receiving, GPRS wireless data transmission, voice calling and text-to-speech voice output via simple AT commands.

    It is widely applied in remote alarm devices, IoT data acquisition, wireless meter reading and other embedded cellular communication projects.


    Specifications
    1. Brand: AJMRTC
    2. Model: SIM800C GSM GPRS Module
    3. Network: GSM / GPRS 900/1800MHz
    4. Antenna Interface: IPEX
    5. Extra Functions: Bluetooth, TTS Text-to-Speech
    6. Logic Level: 5V / 3.3V TTL
    7. Compatible MCU: STM32, C51
    8. Communication: AT command control
    9. Application: SMS, GPRS data, voice call, IoT wireless projects


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