{"product_id":"sim800c-development-board-gsm-gprs-module-support-message-bluetooth-tts-dtmf-quad-band","title":"SIM800C Development Board GSM GPRS Module Support Message Bluetooth TTS DTMF Quad-band","description":"\u003cspan style=\"font-size:14px;\"\u003e\u003ca href=\"http:\/\/myosuploads3.banggood.com\/products\/20181127\/20181127000501SIM800CV2.pdf\" target=\"_blank\"\u003eSchematic: http:\/\/myosuploads3.banggood.com\/products\/20181127\/20181127000501SIM800CV2.pdf\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003eSIM800C is a quad-band GSM \/ GPRS module, its performance very stable, with small appearance and high cost-performance, to meet the various needs of customers. The operating frequency of SIM800C is GSM \/ GPRS 850\/900\/1800 \/ 1900MHz, can be used worldwide, you can achieve low power consumption of voice, SMS and data transmission, can be applied to a variety of design requirements of compact product.\u003cbr\u003e \u003cbr\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003e1. Input voltage range 5V-18V DC;\u003cbr\u003e2. Self-propelled SIM card slot design, support 2G \/ 3G \/ 4G card or small card;\u003cbr\u003e3. Module will connected to the network automatically after you power on it;\u003cbr\u003e4. Compatible with a variety of single-chip serial port;\u003cbr\u003e5. Reserved headset and microphone interface;\u003cbr\u003e6. Support TTS  DTMF function;\u003cbr\u003e7. Bluetooth 3.0 protocol, enhanced Bluetooth antenna, support for serial port SPP and audio services;\u003cbr\u003e8. Reserved lithium battery-powered BAT interface, you can use 3.7V lithium battery or 18650 lithium battery;\u003cbr\u003e9. Reserved IPEX interface, SMA interface, spring antenna interface, can be used on different occasions;\u003cbr\u003e10. With work indicator: the LED will flash 1 time per second when no network, no SIM card or SIM card inserted, and will flash 1 time per 3 seconds under normal conditions.\u003cbr\u003e11. Board size: 40.9*51.3mm\u003cbr\u003e \u003cbr\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eInterface description:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003eGND: Power ground\u003cbr\u003eVCC_IN: Power supply pin, input DC5V-20V\u003cbr\u003eRI: Ring indicator\u003cbr\u003eDTR: Data terminal preparation\u003cbr\u003eTXD: TTL serial port transmission\u003cbr\u003eRXD: TTL serial port receive  \u003cbr\u003eU2_R: module serial port 2 receive\u003cbr\u003eU2_T: module serial port 2 send transmission\u003cbr\u003eV_M: connect to the core voltage (5V\/3.3V,it depend on your MCU) of MCU for level match(generally, NC also be OK for this pin)\u003cbr\u003eADC: ADC detection\u003cbr\u003eSPP: Audio output positive\u003cbr\u003eSPN: Audio output negative\u003cbr\u003eMC-: Audio input negative\u003cbr\u003eMC +: Audio input positive\u003cbr\u003ePWR: Power enable or disable(enable when low level)\u003cbr\u003eBAT: lithium battery input pin, 3.3v-4.4v\u003cbr\u003e \u003cbr\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eBasically instructions:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003eThe SIM800C mainly controlled by AT commands, so just find a USB convert to TTL serial port module,and 5V,GND,TXD,RXD pins connect to VCC_IN, GND,RXD, TXD pins of SIM800C\u003cbr\u003eWhen the module is started, the indicator LED flashes once every 1 seconds, and after a period of time, the indicator LED flashes once every 3 seconds, it means the SIM800C start works normally.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePackage included:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e1 x SIM800C Development Board\u003cbr\u003e1 x Antenna\u003cbr\u003e2 x normal pin\u003c\/span\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/31\/EB\/9cf83b9b-8106-428e-890a-af15865590e8.jpg\"\u003e,\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/78\/71\/98585f73-3b3e-4ec2-9497-775d5ebf3bf5.jpg\"\u003e,\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/24\/53\/8fe84473-8ff0-4fa8-909d-1e1d5ad9bea6.jpg\"\u003e,\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/57\/EF\/7a8fd40a-9a43-4aee-b8ea-4d47af754194.jpg\"\u003e,\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/9A\/8F\/2ae56b56-77d7-4e77-99d8-349e530a1f0f.jpg\"\u003e,\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/D3\/D4\/f75155c9-6458-4eac-9924-39d4028db4fa.jpg\"\u003e,\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/A0\/D0\/417d40af-ad4c-426c-ad6c-05d788a0ee91.jpg\"\u003e,\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/55\/2C\/514a3199-7d33-4b1c-9081-ce10441125ff.jpg\"\u003e","brand":"Shopify","offers":[{"title":"Default Title","offer_id":14009391022124,"sku":"1293011","price":750.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/9cf83b9b-8106-428e-890a-af15865590e8_5ab92d32-8969-4255-adb0-5568e7cf6ca7.jpg?v=1586961495","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/sim800c-development-board-gsm-gprs-module-support-message-bluetooth-tts-dtmf-quad-band","provider":"Electronic Pro ","version":"1.0","type":"link"}