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Ibcinyou r/c > Radios / Receivers / Modules > Graupner > Graupner mc-20 12 Channel 2.4GHz HoTT Transmitter


Graupner mc-20 12 Channel 2.4GHz HoTT Transmitter

Comes with nice aluminum CASE & 2 receivers 6 channel & 12 channel. 2 year warranty


The Graupner mc-20 is our most popular tray system on the market and for a good reason. Its ergonomics such as controls and switch layout makes it easy to set it up to your personal preferences and needs. Adding or moving switches is done easy and the navigation touch controls provide easy access to the loads of software setup and programming options. Its dual, high contrast LCD screens provide access to radio settings on the bottom screen while the top display continuous information of telemetry is displayed that can also be activated with spoken voice alerts..

The high precision quad bearings and adjustable gimbals with 4096 resolution provide a smooth feeling for accurate flight control. High reliability is achieved by hopping over 75 2.4 GHz channels to secure the most reliable interference free operating channel for a safe and worry free flight.


Telemetry is integrated in all of our HoTT (Hopping Telemetry Transmission) radio systems and the mc-20 will not require any additional purchase for important telemetry functions such as signal quality, temperature or receiver voltage. Like all of our HoTT receivers, the included 12ch and 6ch receivers provide telemetry functions that can be configured to notify you in case of an imminent system failure. Graupner provides a wide selection of telemetry ESC's, modules and sensors that can connect directly to your HoTT receivers for immediate operation without the need for external hub boxes or complex wiring. Our third party partners provide additional telemetry products that will seamlessly work with your mc-20 HoTT radio.

Telemetry functions and notifications can be easily assigned to switches to provide information about battery voltage, used battery capacity, altitude, flight direction, speed and much more increasing your situational awareness and adding extra flight safety. No more surprises from sudden depleted batteries or flying out of range situations. The real-time bi-directional HoTT transmission protocol will constantly monitor system health and notify you when needed. Flight information is logged on a SD memory card during flight with all the important flight data to help you later analyze your system reliability and performance.


All HoTT products can be programmed and setup directly from the mc-20 radio. No need for cables, computers or programming boxes! Need to reverse your motor direction, setup your flight controller or make receiver settings? The mc-20 radio provides easy access to all the available functions of any HoTT device directly from the radio. Each HoTT device contains a user interface just like a website where your mc-20 HoTT radio functions as a browser to access the HoTT device allowing you to make on the spot changes at the field and even in the air during flight!

The mc-20 can adapt to the way you like to have access to control functions during flight. Each switch or control can be freely assigned to a channel or dedicated function such as logic switch where a two switches combined can change the state of function or channel.

Moving or changing switch layouts is done easily from the back of the radio.


Making good use of your investment in Graupner products is important to us. All of our HoTT products such as receivers, flight stabilization systems, multirotor flight controllers, flybarless controllers, ESC and many more are all designed to be compatible with another regardless of HoTT radio used. This unified technology standard will ensure the same operation and user experience across all devices increasing usability and ease of use when using Graupner HoTT products.

Our wide selection of HoTT flight controllers for flybarless helicopters, airplanes and multirotors will further enhance the usability of your mc-20 making it future proof for new developments.

Interoperability is further extended with our wireless trainer link where the mc-20 radio can be used with any other Graupner HoTT radio in student teacher mode.

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
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
GR-24L 12ch receiver
GR-12L 6ch receiver
USB Cable
SD Card adapter
SD Card case
Micro SD Card
Hard case
USB adapter wire
Tray supporting brackets
Two year Warranty

Image 0 of Graupner mc-20 12 Channel 2.4GHz HoTT Transmitter

Image 1 of Graupner mc-20 12 Channel 2.4GHz HoTT Transmitter



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