{"product_id":"sim808-development-board","title":"SIM808 development board","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSIM808 development board GSM GPRS GPS Positioning SMS Data to STM32.51 Program\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOnboard resources\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"a2700.wholesale.0.i23.25e8112b2Qv6Zb\" data-mce-fragment=\"1\"\u003e\u003cspan data-spm-anchor-id=\"a2700.wholesale.0.i24.25e8112b2Qv6Zb\" data-mce-fragment=\"1\"\u003e1 GPS antenna interface, SMA interface, can be connected to active antenna (default), can also be connected to passive antenna\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 GSM antenna interface, SMA interface\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 way Bluetooth antenna interface, SMA interface\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOne voice interface, one microphone interface\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eA high-efficiency LDO power supply with an input voltage of 5--26V. Note that when the input voltage is less than 9V, please ensure that the power supply can supply 2A. Another power supply port 3.5--4.2V input (suitable for lithium battery power supply)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1·TTL level interface, perfect compatible with 5V 3.3V 2.85V level system\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 USB interface for easy update of SIM808 ancient sword\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAll important pins of the chip are taken out.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFourth, the introduction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eInsert a Unicom or mobile SIM card\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-spm-anchor-id=\"a2700.wholesale.0.i26.25e8112b2Qv6Zb\" data-mce-fragment=\"1\"\u003eInsert GPS antenna, GSM antenna, Bluetooth antenna (optional access to the antenna according to your application)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWhen debugging the computer, please connect the USB-TTL module; when the MCU is controlled, please connect to the serial port of the MCU.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePlug in the power adapter\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLong press (about 2 seconds) to activate the button\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eReady to start debugging\u003c\/span\u003e\u003c\/p\u003e","brand":"CokenTech","offers":[{"title":"Default Title","offer_id":42281224667290,"sku":"","price":17.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0328\/4035\/1788\/products\/20220805144744.png?v=1659682256","url":"https:\/\/www.cokenastro.com\/products\/sim808-development-board","provider":"CokenTech","version":"1.0","type":"link"}