Spektrum DX20 20-Channel DSMX Mode 2 Transmitter with AR9020 Receiver

Spektrum DX20 20-Channel DSMX Mode 2 Transmitter with AR9020 Receiver

Spektrum DX20 20-Channel DSMX Mode 2 Transmitter with AR9020 Receiver

B&H # SPSPM20000 MFR # SPM20000

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Spektrum DX20 overview

  • 1Description

The Spektrum DX20 20-Channel DSMX Mode 2 Transmitter features AirWare software that gives expert pilots all the programming features they require. The software’s intuitive SimpleScroll interface helps you to easily navigate menus and change settings. The airplane programming includes a multi-engine control option that, when activated, allows you to independently adjust and control up to 4 engines or motors. You could use it to make individual run-up checks on the ground or sync propeller speeds in flight. It also enables the usage of asymmetric thrust to tighten the turning radius of large models during ground operations. When active, the ProTrim function allows you to make small dual rate, expo, mix, and differential adjustments in flight.

With voice alerts, you can keep tab on important functions without ever taking your eyes off what you’re flying. They can be programmed to call out what flight mode you’ve chosen or report telemetry information on demand. If an alarm goes off, you won’t have to look at the transmitter display to see what’s happening.

In addition to extensive airplane and heli programming, the DX20 offers a host of sailplane programming features such as 10 flight modes, 5 wing types, 3 tail types, 2 motor types, and flap delay with elevator compensation. You even have the ability to adjust individual servo characteristics (end points, travel, center, etc.) for all 20 channels. Built-in Sequencer allows you to program a sequence of switch-activated events with time delays between each event.

Built-in Servo Balancer allows you to precisely balance the output of swashplate servos or multiple servos on a single control surface with the transmitter using a 7-point curve mix.

The Wireless Trainer Link technology gives DX20 users the ability to wirelessly link up with other Spektrum transmitters and Spektrum FPV headsets. Once bound to another transmitter or component, the ModelMatch technology will allow the DX20 to re-link without having to go through the binding process again.

With Wireless Trainer Link, you can wirelessly ''buddy box'' with another DSM2/DSMX transmitter when teaching someone to fly. You can assign gimbal functions to a 2nd ‘camera’ transmitter when flying a camera drone so you can focus on avoiding obstacles and maintaining visual contact while someone else lines up the shot. In addition, you can also link with specially-equipped Spektrum FPV headsets to wirelessly control head tracking and remotely change video frequencies on the fly.

With 250-model memory capacity, you don’t have to frequently juggle models between transmitter memory and your SD card. The model memory menu is easier to navigate and only memory slots with model settings saved to them will appear. You won't have to scroll through empty slots or move models around if one is deleted. Thanks to the AirWare software, you can share model setups across platforms with any Spektrum pilot. You can register your DX20 and receive alerts whenever Spektrum Airware software updates are available.

You can also gain access to a growing library of pre-set model setups for Horizon Hobby aircraft. The DX20 system comes with a variety of programming functions to fly everything from collective pitch helis and multi-rotor aircraft, to competition sailplanes and giant-scale jets. In addition, the system also includes the AR9020 receiver with X-Plus technology. The X-Plus allows you to add up to eight extra channels with the SPMXP8000 X-Plus channel expansion module (sold separately). Just plug the module into the receiver, bind it, and then assign the extra channels to any function you want.

Built-in telemetry gives you real-time information on things like your model's battery voltage, signal quality, engine or motor temperature, airspeed, altitude and more. You can have the DX20 recite this information on demand using programmable voice alerts. You also have the option of logging telemetry data to the transmitter’s SD card for review after the flight.

To use the telemetry function, your model must be equipped with a Spektrum telemetry module and telemetry sensors (all sold separately). You can use the Spektrum telemetry sensors for tracking any model function with new functions being added in future.

Design and Performance

Carbon fiber front case
Machined-aluminum, quad-bearing gimbals
Interchangeable leather side grips
20 fully-proportional channels
250-model memory
Includes aluminum dual air transmitter stand-up case
Voice alerts
Wireless Trainer Link
Independent multi-engine control for airplanes
ProTrim in-flight adjustment of rates, expo, mixes, and differential
11 ms frame rates with capable receivers
Built-in telemetry with vibe or voice alerts
Throttle start or switch start timer
Origin mixing
Diversity antenna
4000mAh LiPo transmitter battery
Global charging system
X-Plus technology with expandability up to 20 channels
Large, backlit LCD screen
Includes AR9020 9-channel DSMX receiver
Includes 3 stick end sets
5 Menu Languages - EN, DE, FR, IT and ES
2048 resolution
Selectable language options
Region settings for global compliance
EN328 compatible
User-adjustable mode configurations (1, 2, 3 or 4)
User-assigned switch functions
Intuitive SimpleScroll programming interface
Adjustable stick length and tension

Programming Features


11 Wing Types: 1 Aileron, 2 Aileron, Flaperon, 1 Aileron + 1 Flap, 1 Aileron + 2 Flap, 2 Aileron + 1 Flap, 2 Aileron + 2 Flap, Elevon, Elevon B, 4 Aileron, and 6 Aileron
6 Tail Types: Normal, V-Tail A, V-Tail B, 2 Elevator, 2 Rudder, 2 Rudder + 2 Elevator
2 Canard Options with Elevon Wing Types: Canard + 1 Rudder, Canard + 2 Rudder
Independent multi-engine control for up to 4 engines or motors
ProTrim in-flight adjustment of rates, expo, mixes, and differential
AS3X gain adjustment
Flap delay and elevator compensation
5 flight modes
Dual rates and expo
0.5% mix rate increments
16 programmable mixes


Active gyro and governor trim
7-point throttle curve
7-point pitch curve
7-point tail curve
7 Swash Plate Types: Normal, 3-Servo 120°, 3-Servo 135°, 3-Servo 140°, 3-Servo 90°, 4-Servo 90°, and 2-Servo 180°
Swash plate timing
ProTrim in-flight adjustment of rates, expo, mixes, and differential
5 flight modes
Dual rates and expo
0.5% mix rate increments
16 programmable mixes


5 Wing Types: Single Aileron, Dual Aileron, Dual Aileron + Single Flap, Dual Aileron + Dual Flap, Quad Aileron + Dual Flap
3 Tail Types: Normal, V-Tail A, V-Tail B
Motor throttle switch assignment
Aileron and V-tail differential
Camber system
Camber preset
ProTrim in-flight adjustment of rates, expo, mixes, and differential
AS3X gain adjustment
Flap delay and elevator compensation
10 flight modes
Dual rates and expo
0.5% mix rate increments
16 programmable mixes


Multirotor Channel Inputs: ALT (Altitude), ROL (Roll), PIT (Pitch), and YAW
Multirotor checklists, warnings and voice alerts
Simplified multirotor flight mode setup and switch assignment
UPC: 605482626641
In the Box
Spektrum DX20 20-Channel DSMX Mode 2 Transmitter with AR9020 Receiver
  • 3 x Stick End Set (Short, Medium, and Long)
  • AR9020 9-Channel DSMX X-Plus Receiver
  • Aluminum Dual Air Transmitter Stand-Up Case
  • Table of Contents
    • 1Description

    Spektrum DX20 specs

    Band 2.4 GHz
    Channels 20
    Frame Rate 11 ms with capable receivers
    Model Memory 250
    Model Type Multirotor, Sailplane, Helicopter, and Airplane
    Modes Mode 3, Mode 4, Mode 1, Mode 2
    Modulation DSMX
    Range Full
    Receiver AR9020 9-channel DSMX
    Resolution 2048
    Memory Slots SD
    Compatibility Airware and telemetry
    Battery Type Transmitter: 4000 mAh LiPo
    Dimensions Not specified by the manufacturer
    Weight Not specified by the manufacturer

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