{"product_id":"sim800c-gsm-gprs-module-5v-3-3v-ttl-development-board-ipex-with-bluetooth-for-stm32-c51","title":"SIM800C GSM GPRS Module 5V\/3.3V TTL Development Board IPEX with Bluetooth for STM32 C51 (with Antenna)","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eModule: GSM Module GPRS SMS Voice Phone Development Board SIM800C\u003c\/li\u003e\n\u003cli\u003eCommunication: GSM, GPRS, SMS, Voice\u003c\/li\u003e\n\u003cli\u003eChip: SIM800C\u003c\/li\u003e\n\u003cli\u003eConnectivity: Quad band (850\/900\/1800\/1900MHz)\u003c\/li\u003e\n\u003cli\u003eControl Interface: AT commands via serial port\u003c\/li\u003e\n\u003cli\u003ePower Input: DC 5V or VBAT (lithium battery)\u003c\/li\u003e\n\u003cli\u003eMCU Level Compatibility: 5V \/ 3.3V TTL logic\u003c\/li\u003e\n\u003cli\u003eBluetooth: Supported\u003c\/li\u003e\n\u003cli\u003eLogic Converter: 5V\/3.3V compatible\u003c\/li\u003e\n\u003cli\u003eSIM Card Slot: On-board\u003c\/li\u003e\n\u003cli\u003eAntenna: IPEX interface\u003c\/li\u003e\n\u003cli\u003ePhysical Dimensions: 31mm x 27mm\u003c\/li\u003e\n\u003cli\u003eWeight: 8g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePin Description\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003e5V: power supply pin, the only input DC5V, used to power the board.\u003c\/li\u003e\n\u003cli\u003eV_TTL: access control board microcontroller core target voltage of 5V \/ 3.3V (according to its own microcontroller is much to distinguish – kernel v), this pin is used to convert the GSM module board TXD and RXD for the corresponding TTL logic.\u003c\/li\u003e\n\u003cli\u003eGND: power supply ground\u003c\/li\u003e\n\u003cli\u003eTXD: Send pin serial port module, TTL level (not directly connected to RS232 level)\u003c\/li\u003e\n\u003cli\u003eRXD: receive pin serial port module, TTL level (not directly connected to RS232 level)\u003c\/li\u003e\n\u003cli\u003eDTR: Data Terminal Ready\u003c\/li\u003e\n\u003cli\u003eSPKP: Core Audio output pin\u003c\/li\u003e\n\u003cli\u003eSPKN: Core Audio output pin\u003c\/li\u003e\n\u003cli\u003eMICN: Core Audio input\u003c\/li\u003e\n\u003cli\u003eMICP: Core Audio input\u003c\/li\u003e\n\u003cli\u003eRI: Ring core pin tips\u003c\/li\u003e\n\u003cli\u003eVRTC: RTC pin external battery\u003c\/li\u003e\n\u003cli\u003eGND: power supply ground\u003c\/li\u003e\n\u003cli\u003ePWX: This pin can turn down or turn off the module\u003c\/li\u003e\n\u003cli\u003eGND: power supply ground\u003c\/li\u003e\n\u003cli\u003eVBAT: lithium battery input pin, 3.3v-4.4v\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Indian Hobby Center","offers":[{"title":"Default Title","offer_id":42171594440747,"sku":null,"price":399.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/6796\/1387\/files\/SKU-1794261.png?v=1757588556","url":"https:\/\/www.indianhobbycenter.com\/products\/sim800c-gsm-gprs-module-5v-3-3v-ttl-development-board-ipex-with-bluetooth-for-stm32-c51","provider":"Indian Hobby Center","version":"1.0","type":"link"}