{"product_id":"hc-12","title":"HC-12","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e433MHz HC-12 SI4438 Wireless Serial Port Module (Bluetooth Alternative)\u003c\/h2\u003e\n\u003cp\u003eThe HC-12 SI4438 is a 433MHz wireless serial port module designed for long-range serial communication. It offers adjustable transmission distance, multiple communication channels, and configurable power output, making it a practical replacement for Bluetooth in applications requiring extended range.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOperates in the 433MHz frequency band\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable communication distance up to 1000 m\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports up to 100 communication channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable transmit power up to 100 mW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoftware upgrade support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple working modes with varying current consumption\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDefault Factory Settings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWorking mode: FU3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBaud rate: 9600 BPS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommunication channel: CH001 (433.4 MHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePower supply voltage: 3.3 V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDefault idle current: 16 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommunication Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDefault communication distance: approx. 600 m\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum communication distance: up to 1000 m (adjustable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAir baud rate: 5000 BPS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating frequency range\u003c\/td\u003e\n\u003ctd\u003e433.4–473.0 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of channels\u003c\/td\u003e\n\u003ctd\u003eUp to 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum transmit power\u003c\/td\u003e\n\u003ctd\u003e100 mW (settable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply voltage\u003c\/td\u003e\n\u003ctd\u003e3.3 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault idle current\u003c\/td\u003e\n\u003ctd\u003e16 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule size\u003c\/td\u003e\n\u003ctd\u003e27.8 × 14.4 × 4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThis compact HC-12 wireless serial module provides flexible configuration options and reliable long-distance communication within the 433MHz band.\u003c\/p\u003e","brand":"38-3D","offers":[{"title":"Default Title","offer_id":51397293834536,"sku":"HC-12","price":6.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7581\/0600\/files\/HC-12.jpg?v=1778401710","url":"https:\/\/38-3d.co.uk\/products\/hc-12","provider":"38-3D","version":"1.0","type":"link"}