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SIM800C_Hardware_Design_V1.00
SIM800C GSM GPRS Module 5V/3.3V TTL IPEX with Bluetooth and TTS for Arduino STM32 C51
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5v 3.3v Sim800c Gsm Gprs Electronic Pcb Board Module Ttl Development Board Ipex With Bluetooth Tts Stm32 For Arduino C51 - Integrated Circuits - AliExpress
Familiarize with SIM800C TTL Modem
SIM800C Development Board 4Frequency GSM/GPRS Module Supports Bluetooth/DTMF | eBay
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