mc-20 12 Channel 2.4GHz HoTT Transmitter > HANDHELD RADIOS

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mc-20 12 Channel 2.4GHz HoTT Transmitter



  • Out of Stock: Coming Soon

    Intuitively easy to access and use menus with captive touch keys
    Quad bearings with 4096 resolution gimbals for smooth operation
    Voice announcements from built in speaker or optional ear piece
    Real-time data logging of all critical flight information
    Updateable firmware with Graupner Firmware Update Studio
    Well balanced weight distribution of radio with comfortable tray style hand rests
    User assignable switches and proportional controls
    12 fully proportional channels
    User adjustable mode selection (1, 2, 3 or 4)
    External DSC port for flight simulator connections or third party devices
    HoTTSync for exclusive and safe operation of your models
    7 freely assignable flight phases settings
    10 switch keys (2x3-stage-switches long, 4x2-stage-switches, 2x switches long, 2x switches, 2x sliders/2 rotary controls
    Freely programmable 12 mixers for fixed-wing models and helicopters
    Super servo menu with to access all servo related functions
    Super Dual-Rate, Expo, and Expo/Dual-Rate menu with 36 possible setting variants
    Optimized multi-function menu for fixed-wing and helicopter models.
    Helicopter swashplate mixer for 1, 2, 3, or 4-point linkage.
    Failsafe monitor for 12 servo functions
    Advanced timer menu (Stopwatch, alarm timer, countdown timer, lap counter and more
    Stopwatch with history
    Transmitter operating time timer is automatically set to zero after charge
    Linearization of swashplate servos
    Channel sequencer
    Logical switches
    Trim memory
    Multi-channel functions
    Music player and internal speaker
    Servo channel assignment swap
    PPM signal can be set at data output
    Selectable signal repetition time of 10ms or 20ms for digital or analog servos
    Use of up to 75 frequency hopping channels to ensure operating reliability
    Wireless student and teacher mode
    24 model memories with almost unlimited model storage on SD memory card
    Multi receiver binding for expansion and system redundancy
    Removable hand rests allowing tray or handheld configuration
    Support for digital SUMD or SUMO outputs for third party products
    mc-20 Transmitter
    USB PC interface set
    USB interface adapter wire
    6000 mAh LiPo Battery
    Battery Charger
    USB Cable
    SD Card adapter
    SD Card case

    Micro SD Card Hard case
    USB adapter wire
    Tray supporting brackets
    Two-year Warranty
    The Graupner mc-20 is our most popular multi-purpose radio system on the market and for a good reason. It is jam-packed with features and functions at a competitive price! Its ergonomics provide easy-to-access control and switch layout, making it simple to set it to your personal preferences and needs. Adding or moving switches is done through a user-friendly interface and the navigation touch controls provide quick access all the software setup and programming menu options. The dual, high contrast LCD screens provide access to radio settings on the bottom screen while the top displays continuous telemetry information that can be activated with spoken voice alerts. Whether you fly handheld or tray with the mc-20 you can have both ways. The mc-20 can be configured for both styles depending on personal preferences.

    The quad bearing 4096 resolution gimbals were machined with high-precision and are adjustable for smooth and accurate flight control. Safe and worry-free flights are achieved with our HoTT (Hopping Telemetry Transmission) technology by hopping over 75 2.4 GHz channels to secure the most reliable, interference-free operating channel.


    Real-time telemetry is integrated in all our HoTT radio systems. The mc-20 does not require any additional hardware for functions such as signal quality, temperature, or receiver voltage. The included 12-channel and 6-channel receivers provide telemetry functions that can be configured to notify you regarding any system changes. Graupner provides a wide selection of telemetry ESCs, modules and sensors that can immediately connect directly to your HoTT receivers without the need for external hub boxes or complex wiring. Our third-party partners provide additional telemetry products that work seamlessly with your mc-20 HoTT radio.

    Telemetry functions and notifications can be easily assigned to switches to provide information about battery voltage, battery capacity, altitude, flight direction, speed, etc. This is integral in increasing your situational awareness and adding extra flight safety. The real-time, bi-directional HoTT transmission protocol will constantly monitor system health and notify you of any changes to the system. No more surprise situations such as sudden battery depletion or accidentally flying out-of-range! During flight, important data is logged on the SD memory card which can be analyzed to improve your system's reliability and performance.

    Need to reverse your motor direction, setup your flight controller or program receiver settings? The mc-20 radio can easily setup, program, and change all Graupner HoTT products remotely. No need for cables, computers or programming boxes!

    Each HoTT device contains a website-like user interface allowing your mc-20 radio to function as a browser to access the HoTT device and allowing you to make on-the-spot changes at the field and even in the air during flight!
    The mc-20 in-flight control functions are adaptable to your personals. Each switch or control can be freely assigned to a channel or dedicated function. Or assign a logic switch, adding a new dimension of control to how you fly your model. You can set up a logical switch to combine two switches to change the state of function or channel. For example, will not allow your landing gear to come down unless you have your flaps in the landing position.
    Additionally, moving or changing switch layouts is done easily from the back of the radio.
    It is important to all of us at Graupner that you make good use of your investment in our products. All our HoTT products (receivers, flight stabilization systems, ESCs, multirotor flight controllers, flybarless controllers, etc.) are designed to be compatible with one another regardless of the transmitter being used. This unified technology standard will ensure the same operation and user experience across all devices, making our products future-proof for new developments.

    Our wide selection of HoTT flight controllers for flybarless helicopters, airplanes and multirotors will further enhance the usability of your mc-20, providing endless opportunities to discover all the radio has to offer.

    Our Wireless Trainer Link allows the mc-20 radio to be used with any other Graupner HoTT radio in Student/Teacher Mode, allowing everyone to learn or teach about the exciting experiences this hobby has to offer.




    • 14 Wing Types - NORMAL: 1A, 1A1F, 2A, 2A1F, 2A2F, 2A4F, 4A2F, 4A4F, DELTA: 2A, 2A1F, 2A2F, 2A4F, 4A2F, 4A4F
    • 3 Tail Types - Normal, V-Tail, 2 Elev, Delta.
    • Wing Mixers - RUDD> AILE, AILE>RUDD, RUDD>ELEV
    • 12 Free Program mixers, 8 x Linear Mixers, 4 x Curve Mixers
    • Aileron Differential
    • Throttle Curve Mixer
    • Flap Settings
    • Airbrake Function
    • V-Tail Function
    • Idle Low Function
    • Dual Rate/Expo
    • 14 Wing Types - NORMAL: 1A, 1A1F, 2A, 2A1F, 2A2F, 2A4F, 4A2F, 4A4F, DELTA: 2A, 2A1F, 2A2F, 2A4F, 4A2F, 4A4F
    • 3 Tail Types - Normal, V-Tail, 2 Elev, Delta
    • Wing Mixers - RUDD> AILE, AILE>RUDD, RUDD>ELEV
    • 12 Free Program mixers, 8 x Linear Mixers, 4 x Curve Mixers
    • Aileron Differential
    • Differential Reduction
    • Throttle Curve Mixer
    • Flap Settings
    • Camber Function
    • Butterfly Function with Elevator Compensation
    • V-Tail Function
    • Dual Rate/Expo
    • 6 Swash Plate Types - 1S, 2S 180, 3S 120, 3S 140, 3S Elev, 4S 90
    • Pitch Curves
    • Throttle Curves
    • Pitch Throttle Trim x 6
    • Swash Limit
    • Swash Mixer
    • 8 Free Program mixers, 8 x Linear Mixers, 4 x Curve Mixers
    • Throttle Mixer - AILE>THRO, ELEV>THRO, RUDD>THRO
    • Gyro & Governor Function
    • Pitch Tail Mixer
    • Dual Rate/Expo
  • Specifications
    Frequency band 2.4 ~ 2.4835 GHz
    Control functions 12 functions; 4 can be trimmed
    Antenna Integral patch aerial inside case
    Current draw 400 mA
    Dimensions without hand rests
    (L x W x H)
    235 x 228 x 66 mm
    9.2 x 8.9 x 2.5 in
    Modulation FHSS
    Temperature range -10 ~ +55 °C
    14 ~ 131 °F
    Operating voltage 3.2 ~ 4.8V
    Range up to about 4000 m
    2.45 mi
    Weight with transmitter battery, without accessories 1200 g
    42 oz
  • mc-20 User Manual

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