{"product_id":"radiomaster-boxer-2-4ghz-radio-controller-elrs-version","title":"Radiomaster Boxer 2.4GHz Radio controller – ELRS Version","description":"\u003cmeta name=\"description\" content=\"Buy Radiomaster Boxer 2.4GHz Radio controller – ELRS Version online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eRadiomaster Boxer 2.4GHz Radio controller – ELRS Version\u003c\/h1\u003e\n\n\u003cp\u003eThe Radiomaster Boxer 2.4GHz Radio controller with ELRS (ExpressLRS) technology is a professional-grade RC transmitter designed for drone pilots, FPV racing enthusiasts, and RC aircraft operators who demand ultra-low latency control and extended range capabilities. This transmitter solves the critical challenge of achieving sub-millisecond control latency while maintaining reliable signal transmission across 50+ kilometers, making it ideal for competitive FPV racing and long-range autonomous flight applications. The ELRS protocol delivers 50Hz, 150Hz, or 250Hz refresh rates with advanced frequency hopping and redundancy features that eliminate traditional RC control lag and interference issues.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe Radiomaster Boxer 2.4GHz represents a paradigm shift in RC transmitter design by integrating ExpressLRS open-source protocol technology into a compact, ergonomic form factor. Unlike legacy 2.4GHz systems that operate on fixed channels with 20-30ms latency, ELRS achieves sub-1ms latency through intelligent frequency hopping across 79 channels in the 2.4GHz ISM band. The transmitter employs a high-performance STM32 microcontroller paired with an ELRS-compatible RF module, enabling dynamic power scaling from 10mW to 500mW depending on regulatory requirements and application needs. The dual-stick gimbals feature precision potentiometers with 4096-level resolution, providing granular control inputs essential for aggressive FPV racing maneuvers and stabilized aerial photography missions.\u003c\/p\u003e\n\n\u003cp\u003eThe ELRS Version specifically includes a pre-installed ELRS transmitter module with firmware pre-configured for plug-and-play operation with compatible receivers. The system supports multiple bind modes including WiFi connectivity for firmware updates and configuration adjustments without requiring a computer connection. Built-in telemetry functionality streams real-time data including RSSI (Received Signal Strength Indicator), link quality percentage, and battery voltage back to the transmitter display, enabling pilots to monitor signal integrity and receiver health continuously. The modular design allows users to swap RF modules for different protocols, future-proofing the investment as technology evolves.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e2.4GHz RC Transmitter with ELRS Protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRadiomaster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Band\u003c\/td\u003e\n\u003ctd\u003e2.4GHz ISM (79 channels with frequency hopping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Latency\u003c\/td\u003e\n\u003ctd\u003eSub-1ms with ELRS protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefresh Rates\u003c\/td\u003e\n\u003ctd\u003e50Hz, 150Hz, or 250Hz selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmit Power\u003c\/td\u003e\n\u003ctd\u003e10mW to 500mW adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e50+ kilometers line-of-sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGimbal Resolution\u003c\/td\u003e\n\u003ctd\u003e4096-level (12-bit) analog inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelemetry\u003c\/td\u003e\n\u003ctd\u003eRSSI, Link Quality, Battery Voltage, Signal Strength\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e4x AA batteries or 6V LiPo connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExpressLRS Protocol Integration: Sub-millisecond latency with 79-channel frequency hopping eliminates traditional RC lag, critical for competitive FPV racing where response time determines race outcomes\u003c\/li\u003e\n\u003cli\u003eDual Precision Gimbals: 4096-level analog stick resolution with smooth potentiometer feedback enables micro-adjustments during high-speed aerial maneuvers and stabilized photography missions\u003c\/li\u003e\n\u003cli\u003eDynamic Power Scaling: Adjustable 10mW to 500mW transmission power balances range requirements with regulatory compliance across different countries and flight environments\u003c\/li\u003e\n\u003cli\u003eIntegrated Telemetry Display: Real-time RSSI and link quality monitoring on the transmitter screen provides immediate feedback on signal health, preventing unexpected connection loss during critical flight phases\u003c\/li\u003e\n\u003cli\u003eWiFi Firmware Updates: Over-the-air configuration and firmware updates without computer dependency, enabling rapid protocol improvements and bug fixes directly from the field\u003c\/li\u003e\n\u003cli\u003eModular RF Module Design: Hot-swappable transmitter module architecture supports future protocol upgrades and multi-protocol operation on a single transmitter platform\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFPV Drone Racing: The sub-1ms latency and 250Hz refresh rate provide the instantaneous control response required for competitive racing through gates and obstacle courses at speeds exceeding 100mph\u003c\/li\u003e\n\u003cli\u003eLong-Range FPV Flying: 50+ kilometer transmission range with frequency hopping redundancy enables autonomous mapping missions, surveying operations, and exploration flights far beyond visual line-of-sight\u003c\/li\u003e\n\u003cli\u003eRC Aircraft and Helicopter Control: Precision gimbal inputs and 150Hz refresh rate deliver smooth, predictable aircraft control for aerobatic maneuvers, formation flying, and stabilized aerial cinematography\u003c\/li\u003e\n\u003cli\u003eAutonomous Payload Delivery: Telemetry feedback and reliable signal integrity support unmanned delivery systems and industrial inspection drones requiring guaranteed control authority over extended distances\u003c\/li\u003e\n\u003cli\u003eMulti-Rotor Cinematography: Low-latency smooth stick inputs combined with 4096-level resolution enable fluid camera gimbal control and precise altitude hold adjustments for professional aerial video production\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eBegin by inserting four AA batteries into the battery compartment or connecting a 6V LiPo pack via the dedicated connector on the transmitter rear panel. Power on the transmitter and wait for the ELRS module to initialize, indicated by LED status lights on the RF module. Access the transmitter menu using the navigation buttons to verify your bind phrase and confirm telemetry reception before connecting any aircraft. Bind the transmitter to your ELRS receiver by placing the receiver in bind mode and selecting bind on the transmitter menu, which establishes a secure connection using your unique bind phrase to prevent interference from other ELRS systems operating nearby.\u003c\/p\u003e\n\n\u003cp\u003eConfigure your control channels by mapping the dual gimbals and any additional switches to appropriate flight control functions in the transmitter menu. Set your preferred refresh rate (50Hz for extended range, 150Hz for balanced performance, or 250Hz for competitive racing) and transmission power level appropriate to your flying environment and local regulations. Test all control inputs by observing the telemetry screen to confirm RSSI levels remain above 50 percent and link quality stays stable before flying. After each session, power off the transmitter and store batteries separately if not planning to fly within 30 days to prevent battery leakage and corrosion of the battery contacts.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between ELRS and traditional 2.4GHz RC protocols?\u003c\/summary\u003e\n\u003cp\u003eELRS (ExpressLRS) achieves sub-1ms latency compared to 20-30ms in legacy 2.4GHz systems by using intelligent frequency hopping across 79 channels rather than fixed channel operation. ELRS also provides superior link quality through redundancy and automatic power scaling, making it far more reliable for FPV racing and long-range applications where lag and dropouts are unacceptable.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this transmitter with non-ELRS receivers?\u003c\/summary\u003e\n\u003cp\u003eThe Radiomaster Boxer ELRS Version comes with an ELRS-specific RF module. While the transmitter chassis supports modular RF modules, using non-ELRS receivers requires purchasing and installing a compatible module for that protocol. Most users standardize on ELRS receivers due to superior performance, but compatibility depends on the specific RF module installed.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat refresh rate should I select for my application?\u003c\/summary\u003e\n\u003cp\u003eSelect 250Hz for competitive FPV racing where every millisecond of latency matters. Use 150Hz for general FPV flying and acrobatic flight as a balanced option between responsiveness and range. Choose 50Hz for long-range missions exceeding 20 kilometers where maximum range is prioritized over latency, as lower refresh rates extend transmission distance.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I update the ELRS firmware on my transmitter?\u003c\/summary\u003e\n\u003cp\u003eThe Radiomaster Boxer supports WiFi firmware updates without requiring a computer. Connect to the transmitter's WiFi network using a smartphone or tablet, access the web interface, and select the latest ELRS firmware from the official repository. The transmitter downloads and installs the update automatically, then reboots with the new firmware loaded.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs this transmitter legal to use in India?\u003c\/summary\u003e\n\u003cp\u003eThe 2.4GHz ISM band is license-free in India, and ELRS frequency hopping complies with Indian regulatory requirements. However, verify that your specific ELRS receiver and any antennas meet local certification standards. The Engineer Store recommends consulting with local aviation authorities if using this system for commercial drone operations.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy Radiomaster Boxer 2.4GHz Radio controller – ELRS Version Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eRadiomaster Boxer 2.4GHz Radio controller – ELRS Version\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eRadiomaster Boxer 2.4GHz Radio controller – ELRS Version\u003c\/strong\u003e with fast shipping and\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43847486374051,"sku":"TES-EV00006542","price":24422.4,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/Radiomaster-Boxer-Radio-controller-CC2500-Version-1-314x252.jpg?v=1703855101","url":"https:\/\/www.theengineerstore.in\/hi\/products\/radiomaster-boxer-2-4ghz-radio-controller-elrs-version","provider":"The Engineer Store","version":"1.0","type":"link"}