{"product_id":"stm32-4g-networking-dual-relay-development-board-air780e-module-4g-cat1","title":"STM32 4G Networking Dual Relay Development Board Air780E Module 4G CAT1","description":"\u003csection data-tufzen-geo-summary=\"v1\" class=\"tufzen-product-summary\"\u003e\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003eSTM32 4G Networking Dual Relay Development Board Air780E Module 4G CAT1 is a development board selected for building connected devices, firmware tests and rapid electronics prototypes. It is suitable for makers, embedded developers and IoT prototyping teams who need practical electronics hardware for reliable project work.\u003c\/p\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ebuilding connected devices, firmware tests and rapid electronics prototypes\u003c\/li\u003e\n\u003cli\u003eArduino, MicroPython, sensors, displays and expansion modules\u003c\/li\u003e\n\u003cli\u003eElectronics testing, repair, prototyping and maker workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWho is this product for?\u003c\/strong\u003e It is intended for makers, embedded developers and IoT prototyping teams.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check before buying?\u003c\/strong\u003e Review the product options, specifications, included accessories and compatibility details on this page.\u003c\/p\u003e\u003c\/section\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003eSTM32 4G Networking Dual Relay Development Board Air780E Module 4G CAT1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003eProduct Overview\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003eThe STM32 4G dual relay development board Air780e module uses STM32F103C6T6 as the main control chip and is equipped with the Air780E LTE Cat.1 bis communication module launched by HeZhou Communication. It is a 4G full network and can adapt to different operators and products. By default, it uses AT firmware to communicate with STM32 through the serial port and uses AT commands for networking data transmission and reception functions; The dual relay opens when powered on and connected to the network, and the product supports it\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003eType_C port+KF128 terminal power supply method, commonly used pins are basically fully led out, which is convenient for secondary development.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003eFunctional Features\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003e1. Using the mature and stable STM32F103 series 32-bit microcontroller, users can develop based on AT instructions or directly based on AIR780E;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003e2. Onboard AIR78OE module, low power consumption, sleep power consumption as low as 600uA; 3. Flip up nano SIM card holder, easy to install and remove;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003e4. Onboard blue AIR780E network status indicator light;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003e5. Onboard reset button and user button, users can develop their own desired functions; 6. Supports Type-C power supply+KF128 terminal 5V power supply;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003e7. The commonly used IO ports of the microcontroller and AIR780E are mostly fully connected.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20;\"\u003eSize: 62 * 72.5MM Weight: 45g\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Sef9544c9f2d54cc8b897d5d432ea75e4m.webp?v=1770188088\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S0563170f95134eabb5dcc01bb33b8083j.webp?v=1770188088\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Saaeb78d068a943c99c4ddcd3f098ab2fq.webp?v=1770188088\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/p\u003e","brand":"STM32","offers":[{"title":"Default Title","offer_id":47330435334402,"sku":"TFZ-STM32-STM32-4G-NETWORKING-DUAL-334402","price":17.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S7a769081c7a74202a13e08486188769a2.webp?v=1770188086","url":"https:\/\/tufzen.com\/products\/stm32-4g-networking-dual-relay-development-board-air780e-module-4g-cat1","provider":"TUFZEN","version":"1.0","type":"link"}