Radio systems and receivers: choosing a reliable control link
Channels, receiver protocols, telemetry, range, redundancy and what to check before matching a transmitter to a model.
iX20 20-Channel DSMX Transmitter Only
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
iX20 20-Channel DSMX Transmitter Only is a Spektrum product intended for aircraft, helicopter, sailplane or multirotor radio installations where reliable control and setup clarity matter. This page presents the practical buying information a customer needs before ordering: fit, SKU, image, category, specifications and usage advantages.
The content is written for purchasing through RC-MODEL, without supplier prices or links to competing stores.
Key Advantages
- Organized under the Spektrum transmitter and radio-control range.
- Intended for aircraft, helicopter, sailplane or multirotor radio installations where reliable control and setup clarity matter.
- Check compatibility with DSMX, Spektrum Smart equipment and the exact model requirements before ordering.
- Includes local product imagery and structured specifications for easier comparison inside RC-MODEL.
- Spektrum Smart compatibility is highlighted where relevant for batteries, chargers, ESCs or telemetry-aware systems.
- Protocol information is surfaced so customers can match the product to their Spektrum radio system.
Core Specifications
- Manufacturer: Spektrum
- Brand: Spektrum
- Product Code: SPMR20100
- Product Family: Spektrum transmitter and radio-control range
- Application: aircraft, helicopter, sailplane or multirotor radio installations where reliable control and setup clarity matter
- Compatibility Focus: Check compatibility with DSMX, Spektrum Smart equipment and the exact model requirements before ordering.
- Spektrum Category: Radios / Aircraft / Transmitters
- Channels: 20
- Band: 2.4GHz
- Modulation: DSMX
- Telemetry: Yes
- Receiver: Sold Separately
- Audio: Text to Speech, Alarms and Tones, Preconfigured Callouts
- Color Screen: Yes
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
How to bind an RC transmitter and receiver
A practical binding guide for matching protocol, bind mode, receiver power, model memory, control checks and common binding mistakes.
How to set failsafe correctly on an RC aircraft
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How to set Dual Rates and Expo on an RC transmitter
Make an aircraft calmer for beginners by setting low rates, high rates and expo without hiding mechanical setup problems.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | Spektrum |
| Brand | Spektrum |
| Product Code | SPMR20100 |
| Spektrum Category | Radios / Aircraft / Transmitters |
| Product Family | Spektrum transmitter and radio-control range |
| Application | aircraft, helicopter, sailplane or multirotor radio installations where reliable control and setup clarity matter |
| Compatibility Focus | Check compatibility with DSMX, Spektrum Smart equipment and the exact model requirements before ordering. |
| Programmable | Yes |
| Technology | Voice Alerts, Smart Transmitter File |
| Transmitter (Tx) Battery Type | Lithium Ion, 10,500mAh |
| Band | 2.4GHz |
| Channels | 20 |
| Modulation | DSMX |
| Range | Full |
| Telemetry | Yes |
| Resolution | 1024 or 2048 |
| SD Card/Airware Capable | Yes |
| Receiver | Sold Separately |
| Audio | Text to Speech, Alarms and Tones, Preconfigured Callouts |
| Color Screen | Yes |
| Completion Level | Transmitter Only |
| Frame Rate | 22ms, 11ms |
| Left / Right Hand Operation | No |
| Model Memory | 250 Internal |
| Operating System | Android |
| WiFi | Yes |
| Modes | User Selectable Mode 1-4 |
| Touchscreen | Yes |
| Gimbal Type | Hall Effect |
| Serial Port | Yes |
Tags: Spektrum, SPMR20100, Spektrum transmitter and radio-control range, Spektrum Catalog, Spektrum Transmitters, Spektrum Air Transmitters, Spektrum Aircraft Electronics, RC-MODEL