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The mx-12 HoTT with its 6 control functions can give experienced RC model builders control over numerous models. The use of Graupner HoTT 2.4 GHz transmission technology safeguards high functional reliability through bidirectional communication between transmitter and receiver supporting integrated telemetry, voice output via headset connector and ultra-fast response times.
The transmitter has 10 model memories and is easily and intuitively programmed with keys. A high-contrast, 8-line blue-illuminated graphic display ensures perfect presentation of all parameter settings and telemetry data. It is possible to store telemetry data and an extension of model memories on a micro SD memory card.
USB connection to read and write the model's memories as well as for firmware upgrades.

The MX series are well proven and ultra reliable radios designed to give many years of service and pleasure.

What’s in the box

MX-12 transmitter
1500mAh transmitter battery
Quick manual
PLEASE NOTE: This a transmitter only deal, you may choose any receiver listed here if required.


Aerial length [mm]: 120
Battery cell type: NiMh
Operating voltage neutral [V]: 3,4 ... 4.8
Width [mm]: 175
Display?: Yes
Flight phase: Yes
Frequency: 2400 ... 2484,5
All-up weight [g]: 770
Height [mm]: 115
HoTT - Technology: Yes
Channels: 6
Overall length [mm]: 190
Teacher- / student-system: Yes
Micro SD: Yes
Mixer: Yes
Model memory: 10
Range approx. [m]: 4000
Transmitter series: mx
Transmitter type: Hand
Sound emission: Yes
Voice output: Yes
Language variant: GB
Current consumption [mA]: 150
Telemetry capable: Yes
Temperature range [°C]: -15 ... 55
Touch Display: No
USB connection: Yes



Microcomputer remote control set implemented with the very latest 2.4 GHz Graupner HoTT technology

  • Bidirectional communicationbetween transmitter and receiver
  • Wireless T/P function
  • 5 different languages (German, English, French, Italian and Spanish) available via software update. For the availability of a given language, go to the Download area.
  • Servo cycle times of 10 ms can be selected for digital servos
  • Ultra-fast response times due to direct and reliable transmission of data from the main processor to the 2.4 GHz transceiver. No additional delays due to detours via a module processor.
  • Short antenna, collapsible
  • Operating and programming techniques are similar to the proven concepts implemented in mc-19 to mc-24
  • A high-contrast, blue-illuminated graphic display ensures perfect control of parameter settings such as model type, model memory, timers and operating voltage.
  • 6 control functions
  • Free assignment of all switches
  • 10 model memories
  • 4 switches/keys, including 2 x 3-position switches, 1 x 2-position switch, 1 key
  • Modes 1 to 4 freely selectable
  • Key lock function to prevent unintentional operation.
  • Change of display from the main menu to the telemetry main menu via ESC.
  • Numerous telemetry displays, programming functions and evaluation functions are presented directly on the transmitter's screen
  • 3 flight phases programmable
  • Extensive programs for fixed-wing and helicopter models
  • Swashplate limiter
  • Servo travel adjustment can be set separately for all servo channels and for each final value
  • Sub-trim to set the neutral position of all servos
  • 2-stage expo/dual rate system, can be set individually, in-flight switching possible
  • Mixer functions
  • Programmable fail-safe function "Hold" or "Advance to pre-set positions" adjustable separately for each individual servo channel
  • Stop watches/countdown timers with alarm function
  • Model copy function for model memories





We have only limited space here to tell you all about the fantastic features of the Graupner SJ mx-12 system so why not download the instruction manual where you can browse the full feature set and programming options. Simply click the cover on the left to start your PDF download.




To Purchase

Please insert your quantity and click the add to basket button in the box below.

deal 2

Graupner SJ MX-12 Transmitter Only
Graupner SJ MX-12 Transmitter


Please read ordering information at the bottom of this page BEFORE ordering this item.

Thank You





Non UK customers please ensure this item is compliant with the appropriate regulations in your country.


Because Graupner have now moved their distribution base away from the UK to Germany there may be a slight delay in dispatching Graupner Products. Therefore please allow around 3 working days before your order is dispatched.
Servicing is still handled from the UK. Thank you.