The FrSky Tandem X18 is a lightweight, ergonomic dual-band telemetry radio designed for pilots who want the advanced capabilities of ETHOS combined with comfortable handling and versatile RF connectivity. The X18 features an integrated TANDEM 900MHz/2.4GHz dual-band RF system, supporting simultaneous dual-band TD operation for long-range control, telemetry and low-latency performance.

Its refined case features rounded hand grips, a flat base for improved stability when standing, easily accessible switches and sliders, four standard stick trims plus two additional trims, and high-precision Hall-sensor gimbals with metal panels. A colour touchscreen, custom buttons, momentary switches, haptic alerts and voice outputs provide an intuitive control experience.

The X18 also incorporates 128MB of built-in flash storage while retaining the internal TF card slot, plus a Lite-type external module bay for additional connectivity options. With ETHOS at its core, the Tandem X18 provides a powerful and flexible operating environment with touch and non-touch display modes, multi-language support and LUA script capability.

Key Features

• Built-in TANDEM 900MHz / 2.4GHz dual-band RF system
  
• Simultaneous 2.4GHz and 900MHz TD operation
  
• Long-range control with telemetry and low-latency performance
  
• Supports ACCST D16, ACCESS and TD receivers
  
• Up to 24 channels
  
• ETHOS operating system
  
• Colour 480 × 320 backlit touchscreen LCD
  
• Touch and non-touch display operation
  
• High-precision Hall-sensor gimbals with metal panels
  
• Enhanced ergonomic case with rounded hand grips
  
• Flat base for improved stability when standing
  
• 4 standard trims plus 2 additional trims
  
• Easy-to-reach top switches and sliders
  
• 6 front quick-mode custom buttons
  
• 2 rear momentary buttons
  
• Haptic vibration alerts and voice speech output
  
• 128MB integrated flash storage
  
• Internal TF card slot
  
• Lite-type external module bay
  
• USB Type-C charging/recharge system for 2S Li-ion battery
  
• High-speed PARA wireless training system
  
• Multi-language support
  
• LUA script support
  
• Hardware/software and factory version detection

Perfect For

• RC aircraft pilots looking for a modern ETHOS transmitter
  
• Long-range model aircraft applications
  
• Pilots using FrSky TD, ACCESS or ACCST D16 receivers
  
• Pilots who prioritise transmitter comfort and low weight
  
• Advanced aerobatic, scale and sport aircraft
  
• Pilots wanting simultaneous dual-band 900MHz/2.4GHz TD technology
  
• Pilots requiring flexible telemetry and control options
  
• Users wanting an external module bay for additional devices

Product Summary

The FrSky Tandem X18 combines an ergonomic 687g transmitter design with a powerful TANDEM dual-band RF system and ETHOS operating system. Supporting 900MHz, 2.4GHz, TD, ACCESS and ACCST D16 technologies, the X18 provides a versatile platform for modern RC pilots, with advanced gimbals, touchscreen control, telemetry, extensive customisation and up to 24 channels.

Specifications

• Model: Tandem X18
  
• Colour: Black or Blue
  
• Dimensions: 200 × 192 × 95mm (L × W × H)
  
• Weight: 687g battery excluded / 820g battery included
  
• Operating system: ETHOS
  
• Internal RF module: TANDEM / TD-ISRM
  
• Number of channels: Up to 24
  
• RF bands: 2.4GHz and 900MHz
  
• Operating voltage: 6.5–8.4V
  
• Battery: 2S Li-ion
  
• Operating temperature: -10°C to 60°C (14°F to 140°F)
  
• Operating current: 240mA @ 7.4V typical
  
• Charging current: ≤1A ±200mA
  
• USB adaptor voltage: 5V ±0.2V
  
• USB adaptor current: >2.0A
  
• Built-in flash storage: 128MB (1Gbit)
  
• Display resolution: 480 × 320
  
• Display: Backlit colour touchscreen LCD
  
• External module bay: Lite type
  
• Compatibility: ACCST D16, ACCESS and TD receivers
  
• RF modes: 2.4G ACCST D16, 2.4G ACCESS, 900M ACCESS and 2.4G + 900M TD
  
• Training system: PARA wireless training
  
• Connectivity: USB Type-C

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