FrSky TANDEM X18RS TD-ISRM RS Dual-Band Radio Transmitter

The FrSky TANDEM X18RS is a premium dual-band RC transmitter designed for pilots demanding exceptional reliability, precision and long-range performance. Equipped with the advanced TD-ISRM RS internal RF module, the X18RS combines 900MHz and 2.4GHz RF technologies with multiple protocol support including TW, TD, ACCESS, R9 ACCESS and ACCST D16.

Its simultaneous dual-band operation provides highly dependable signal redundancy, making it ideal for professional UAV applications, large-scale aircraft, gliders, helicopters and long-range FPV flying.

The upgraded X18RS also features a robust impact-resistant antenna handle, external LoRa antenna connectors, a bright 800×480 sunlight-readable touchscreen, CNC-machined MC18 Hall sensor gimbals and the powerful ETHOS operating system.

Whether you're flying at your local club or operating at extreme distances, the TANDEM X18RS delivers industry-leading control, responsiveness and telemetry performance.

Key Features

• TD-ISRM RS built-in dual-band RF module
  
• Simultaneous 900MHz & 2.4GHz operation
  
• Supports TW, TD, ACCESS, R9 ACCESS and ACCST D16 protocols
  
• Redundant dual receiver capability via SBUS IN/OUT
  
• Ultra-low latency with full telemetry support
  
• Rugged upgraded impact-resistant antenna handle
  
• Dual external antenna connectors for enhanced LoRa range
  
• Bright 800×480 outdoor touchscreen display
  
• ETHOS operating system
  
• CNC-machined MC18 Hall sensor gimbals
  
• Adjustable 45° or 60° stick travel
  
• 10 ball-bearing precision gimbal mechanism
  
• 24-channel capability
  
• Built-in 512MB flash storage
  
• Integrated 6-axis gyroscope
  
• USB-C charging and data transfer
  
• Voice alerts and vibration feedback
  
• PARA wireless trainer support
  
• CNC aluminium trims and control knobs
  
• Lite external module bay

Perfect For

• Professional RC pilots
  
• Long-range FPV flying
  
• UAV operators
  
• Fixed-wing aircraft
  
• Scale aircraft
  
• Large RC models
  
• Sailplanes and gliders
  
• RC helicopters
  
• Competition flying
  
• Advanced hobbyists

Product Summary

The FrSky TANDEM X18RS combines advanced dual-band RF technology, professional-grade CNC controls and the ETHOS operating system into one of FrSky's most capable radio systems. With simultaneous 2.4GHz and 900MHz transmission, redundant receiver support and long-range LoRa capability, it offers outstanding reliability for demanding RC applications.

Specifications

• Model: TANDEM X18RS
  
• RF Module: TD-ISRM RS
  
• Operating System: ETHOS
  
• Frequency: 2.4GHz & 900MHz Dual Band
  
• Supported Protocols: TW, TD, ACCESS 2.4G, ACCESS R9, ACCST D16
  
• Channels: Up to 24
  
• Display: 800 × 480 High-Brightness Touchscreen
  
• Flash Storage: 512MB
  
• Gimbals: MC18 CNC Hall Sensor
  
• Gimbal Bearings: 10 Ball Bearings
  
• Stick Travel: Adjustable 45° / 60°
  
• Gyroscope: Built-in 6-axis
  
• External Module Bay: Lite Type
  
• USB Interface: USB Type-C
  
• Charging: USB Type-C Recharge
  
• Operating Voltage: 6.5–8.4V (2S Li-Ion)
  
• Operating Current: 500mA @7.4V
  
• Charging Current: ≤1A
  
• Dimensions: 200 × 192 × 98mm
  
• Weight: 740g (without battery), 880g (with battery)
  
• Operating Temperature: -10°C to 60°C
  
• Available Colours: Meteorite Grey, Ruby Red, Porcelain White, Chameleon

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