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HW-537 SIM800C GSM GPRS Module 51 MCU 32 ARDUINO TTS DTMF G800C - Blue
Product ID : 37773038
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37773038
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About HW-537 SIM800C GSM GPRS Module 51 MCU 32 ARDUINO
Features:This module is designed with 5v/3.3v single-chip logic conversion circuit, because the GSM/GPRS core is 2.8v, which is different from the logic level of ordinary single-chip 3.3v or 5v. In order to have a stable control system, logic level conversion is indispensable.The V_TTL pin is not used to power the GSM module, just to let the GSM module know that the TTL level it wants to output is ultimately converted to 3.3v or 5v.Specification: Model: HW-537 SIM800CBoard size: 31.5*27*7mmColor: bluePackage Include:1 x SIM800C GSM GPRS Module
