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Grey rectangular RC transmitter with dual sticks and R8EF receiver

Radiolink

Radiolink T8FB 8-Channel 2.4 GHz Transmitter with R8EF Receiver

SKU CH-3VPF-BZC73

Eight-channel 2.4 GHz RC transmitter with frequency-hopping stability, Bluetooth app setup and R8EF receiver included

  • Stable control up to 2 km with 67-channel frequency hopping
  • 8 channels with dual-rate switching and EPA for precise handling
  • Wireless app setup on iOS, Android and PC for all parameters
  • Self-adapting voltage alarm protects 4×AA or 2S–4S LiPo packs
  • PWM, PPM and S-BUS output works with autopilots and MCUs

8-Channel 2.4 GHz RC Transmitter

The Radiolink T8FB is an 8-channel 2.4 GHz transmitter bundled with an R8EF receiver. It targets hobbyists building or upgrading RC airplanes, aircraft, boats, cars and similar models who want wireless parameter setup via a mobile app or PC program. The system uses pseudo-random frequency hopping across 67 channels for interference resistance.

67-Channel Frequency Hopping

The single specification that decides fit is the pseudo-random sequence frequency hopping over 67 channels. This method delivers anti-multipath and anti-same-band interference performance that extends stable control distance to 2 km with the included receiver. The hopping scheme is fixed in the radio firmware and cannot be changed by the user.

PWM PPM S-BUS Output Headroom

The receiver outputs PWM, PPM and S-BUS signals, so it connects directly to most programmable hardware including ArduPilot, PX4, Arduino, STM32 and single-board computers such as Raspberry Pi or Nvidia Jetson. Builders who need more than eight proportional channels or long-range telemetry beyond the 2 km link will need a different radio system.

Highlights

  • Stable control up to 2 km with 67-channel frequency hopping
  • 8 channels with dual-rate switching and EPA for precise handling
  • Wireless app setup on iOS, Android and PC for all parameters
  • Self-adapting voltage alarm protects 4×AA or 2S–4S LiPo packs
  • PWM, PPM and S-BUS output works with autopilots and MCUs

Specifications

No published specifications for this item yet.

Questions about this item

How does the 2.5× range improvement change real-world flying distance?

The transmitter reaches up to 2 km with the included R8EF receiver, and up to 4 km when paired with the optional R8XM receiver, thanks to 67-channel frequency hopping.

What signal standards does the 2.4 GHz link use and what do they limit?

It transmits over 67 pseudo-random hopping channels using PWM, PPM and S-BUS output, compatible with ArduPilot, PX4, Arduino, STM32 and Raspberry Pi flight controllers.

What battery and connector does the transmitter need to fit and power up?

It accepts four AA cells or a 2S–4S LiPo pack via a universal JST connector, with automatic voltage detection and low-voltage alarm.

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