{"product_id":"helloradiosky-v12-cncmax-transmitter","title":"HelloRadioSky V12 CNCMAX 2.4GHz Dual-Band ExpressLRS Radio Transmitter 1000mW EdgeTX 2.4in Screen","description":"\u003cdiv class=\"product-description-video-box\"\u003e\u003ciframe height=\"506\" src=\"https:\/\/www.youtube.com\/embed\/qUaj6fdprIU?si=c3Lf1e9iM1BcafDG\" title=\"YouTube video player\" width=\"900\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eHelloRadioSky V12 CNCMAX is a 2.4GHz dual-frequency ExpressLRS (ELRS) radio transmitter designed for FPV racer drones and compatible RC models such as airplanes and helicopters. It runs EdgeTX on an STM32H750XBH6 (STM32 H7) main control platform, integrates an LR1121 ELRS transmitter chip, and features a 2.4-inch TFT color screen, dual-turbo (dual fan) cooling, and a 2×21700 battery compartment.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2.4GHz dual-frequency \/ dual-band ExpressLRS (built-in high-frequency module)\u003c\/li\u003e\n\u003cli\u003eTX module power: max 1000mW\u003c\/li\u003e\n\u003cli\u003eMain control: H750 (STM32H750XBH6 \/ STM32 H7)\u003c\/li\u003e\n\u003cli\u003eELRS transmitter chip: Semtech LR1121; supports 2.4GHz ExpressLRS (ELRS) protocol\u003c\/li\u003e\n\u003cli\u003e2.4-inch TFT full-color screen\u003c\/li\u003e\n\u003cli\u003eHall effect joystick sensor; CNC aluminum (CNC metal) gimbals and CNC aluminum (CNC metal) buttons (CNCMAX)\u003c\/li\u003e\n\u003cli\u003eCooling system: dual-turbo fans (dual fan cooling)\u003c\/li\u003e\n\u003cli\u003eMulti-functional USB Type-C port: charging, firmware upgrade, simulator, and data transfer\u003c\/li\u003e\n\u003cli\u003eBattery compartment: standard 21700 (power supply: 2×21700 batteries; batteries not included)\u003c\/li\u003e\n\u003cli\u003eShell: optional colored shells (color optional); available in multiple color combinations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor product support and after-sales service, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHelloRadioSky\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eV12 CNCMAX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission frequency\u003c\/td\u003e\n\u003ctd\u003e2.4GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain control chip\u003c\/td\u003e\n\u003ctd\u003eSTM32H750XBH6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eELRS transmitter chip\u003c\/td\u003e\n\u003ctd\u003eLR1121\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter module\u003c\/td\u003e\n\u003ctd\u003eBuilt-in ExpressLRS high-frequency module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in high-frequency\u003c\/td\u003e\n\u003ctd\u003eDual-frequency \/ dual-band ELRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTX module power\u003c\/td\u003e\n\u003ctd\u003eMax 1000mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e12+ (receiver-dependent); more than 12 channels (depending on the receiver)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating \/ working current\u003c\/td\u003e\n\u003ctd\u003e260mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating \/ working voltage\u003c\/td\u003e\n\u003ctd\u003e6.6-8.4V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware system\u003c\/td\u003e\n\u003ctd\u003eEdgeTX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e2.4-inch TFT color screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling system\u003c\/td\u003e\n\u003ctd\u003eDual-channel turbine fan; dual-turbo fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003e2*21700 batteries (batteries not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpgrade method\u003c\/td\u003e\n\u003ctd\u003eUSB online upgrade supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB port\u003c\/td\u003e\n\u003ctd\u003eType-C (charging \/ upgrade \/ simulator \/ data transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJoystick sensor\u003c\/td\u003e\n\u003ctd\u003eHall; Hall effect joystick sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna (CNCMAX)\u003c\/td\u003e\n\u003ctd\u003eInternal and external dual antennas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGimbal material (CNCMAX)\u003c\/td\u003e\n\u003ctd\u003eCNC aluminum; CNC metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButton material (CNCMAX)\u003c\/td\u003e\n\u003ctd\u003eCNC aluminum; CNC metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e179*125*55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e360 g (without battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelloRadioSky V12 CNCMAX radio transmitter\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUSB cable\u003c\/li\u003e\n\u003cli\u003eLanyard (two colors delivered at random)\u003c\/li\u003e\n\u003cli\u003eSticker sheet\u003c\/li\u003e\n\u003cli\u003ePlate and screw set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFPV racer drone radio control (ExpressLRS \/ ELRS)\u003c\/li\u003e\n\u003cli\u003eRC airplane and RC helicopter control\u003c\/li\u003e\n\u003cli\u003eSimulator use via Type-C connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"V12 CNCMAX vs V12 basic configuration chart: H750, dual-band ELRS, 1000mW, CNC gimbals, 2.4in screen\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7.jpg?v=1781227956\"\u003e\u003cp\u003eChoose the CNCMAX upgrade for CNC metal gimbals and buttons plus dual internal\/external antennas, while keeping the same H750 platform and 1000mW ELRS power.\u003c\/p\u003e\n\u003cimg alt=\"HelloRadioSky V12 CNCMAX ExpressLRS radio transmitter front view with 2.4-inch color screen and CNC gimbals\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_e38abdd5-04fb-4cff-927f-05a0c6c15442.jpg?v=1781227961\"\u003e\u003cp\u003eEdgeTX control with a bright 2.4-inch color display and CNC metal gimbals for precise stick feel.\u003c\/p\u003e\n\u003cimg alt=\"Feature highlights card: LR1121 ELRS, STM32 H7, dual fan cooling, full-color screen, Type‑C port, 21700 battery bay\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_cbf68bfb-bc01-46f5-83a8-5342936f786e.jpg?v=1781227968\"\u003e\u003cp\u003eCore hardware focuses on fast response (STM32 H7 + LR1121) with practical extras like dual-fan cooling, Type‑C connectivity, and a 21700 battery compartment.\u003c\/p\u003e\n\u003cimg alt=\"Semtech LR1121 2.4GHz ExpressLRS (ELRS) transmitter chip graphic highlighting stable signal and wider range\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_ab6dfc2f-3e79-4dd3-b4a9-2e9ccc8e0442.jpg?v=1781227975\"\u003e\u003cp\u003eBuilt around the Semtech LR1121 chip to run 2.4GHz ExpressLRS for dependable control links.\u003c\/p\u003e\n\u003cimg alt=\"STM32 H7 processor graphic for EdgeTX radio transmitter platform\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_9df99df9-de4b-4d13-8680-d293fb3600b8.jpg?v=1781227982\"\u003e\u003cp\u003eAn STM32 H7 main control chip provides the computing headroom EdgeTX needs for smooth UI and model setups.\u003c\/p\u003e\n\u003cimg alt=\"HelloRadioSky V12 transmitter screen highlight showing HD full-color display in multiple color shells\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_9b1b11a2-5f4d-4f87-bea2-901c571c9502.jpg?v=1781227989\"\u003e\u003cp\u003eThe full-color screen stays clear across different shell color options for quick checks at the field.\u003c\/p\u003e\n\u003cimg alt=\"Dual fan cooling layout on the back of the V12 CNCMAX radio transmitter with two turbine-style fans\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_d3a27faf-4a6a-48d6-8d7b-e5e977acb6c8.jpg?v=1781227996\"\u003e\u003cp\u003eDual turbine fans help keep output stable during higher-power sessions.\u003c\/p\u003e\n\u003cimg alt=\"Standard 21700 battery compartment illustration inside the V12 radio transmitter grip\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_ad6e5ce7-565a-4b3b-ab31-ad74797229de.jpg?v=1781228003\"\u003e\u003cp\u003ePowered by two 21700 cells (not included) to support longer sessions without frequent battery swaps.\u003c\/p\u003e\n\u003cimg alt=\"Multi-functional USB Type‑C port area on V12 radio: charging, firmware upgrade, simulator, and data transfer\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_ad430425-35ff-4632-8a21-aaffd28e721d.jpg?v=1781228010\"\u003e\u003cp\u003eThe USB‑C port handles charging, firmware updates, simulator connection, and data transfer from one connector.\u003c\/p\u003e\n\u003cimg alt=\"HelloRadioSky V12 transmitter colorways collage showing multiple shell and gimbal color combinations\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_bdc5bb95-c8c5-4840-9252-c08d3f697cd6.jpg?v=1781228017\"\u003e\u003cp\u003eMix-and-match color combinations make it easy to match the transmitter to your build style.\u003c\/p\u003e\n\u003cimg alt=\"Package list: V12 CNCMAX transmitter, carrying case, USB cable, lanyard, stickers, plate and screw set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_cca25a2f-4312-464d-9194-2b1634f8193e.jpg?v=1781228023\"\u003e\u003cp\u003eIncluded accessories cover transport and setup: a carrying case, USB cable, lanyard, stickers, and mounting hardware.\u003c\/p\u003e\n\u003cimg alt=\"V12\/V12 MAX technical parameters table listing 2.4GHz, EdgeTX, 1000mW, LR1121, STM32H750, dual fans, 2×21700\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HelloRadioSky-V12-CNCMAX-24GHz-Dual-Frequency-ELRS-Radio-H7_da98773c-cdc7-4ab0-9511-6e7740741dc5.jpg?v=1781228030\"\u003e\u003cp\u003eKey specs at a glance: 2.4GHz ExpressLRS, up to 1000mW output, EdgeTX system, dual-fan cooling, and 2×21700 power.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HelloRadioSky","offers":[{"title":"Red","offer_id":53045074526432,"sku":"BG-2050519-1","price":239.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":53045074559200,"sku":"BG-2050519-2","price":239.0,"currency_code":"USD","in_stock":true},{"title":"White red","offer_id":53045074591968,"sku":"BG-2050519-3","price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/a1c94c0d-449e-42ce-954b-3f680f06f308.jpg?v=1781183480","url":"https:\/\/rcdrone.top\/hi\/products\/helloradiosky-v12-cncmax-transmitter","provider":"RCDrone","version":"1.0","type":"link"}