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Small black rectangular RC receiver with single internal antenna

usbroway

usbroway FGr4S V2 2.4GHz 4CH AFHDS 3 RC Receiver

SKU CH-TA4E-N0GDH

A 2.4 GHz 4-channel RC receiver with AFHDS 3 frequency hopping, PPM/i-bus/PWM output and a built-in single antenna for cars and boats

  • TypeCars
  • Compatible with FlySky Noble FS-NB4 PL18 transmitter for RC car and boat control
  • AFHDS 3 automatic frequency hopping gives quick, stable link-up and easy binding
  • Internal single antenna with two-way transmission keeps installation compact
  • Supports PWM, PPM and i-Bus output for flexible servo and flight-controller connection
  • Ultra-small, ultra-light design saves space and reduces weight on the vehicle

Compact 4-channel receiver

The usbroway FGr4S V2 is a 2.4GHz 4CH receiver built for RC cars and boats. It runs on the AFHDS 3 automatic frequency hopping system for quick binding and a stable link. An internal single antenna handles two-way transmission in a lightweight housing. The unit supports PWM, PPM and i-Bus output formats.

For FlySky Noble FS-NB4 PL18 users

This receiver pairs directly with the FlySky Noble FS-NB4 PL18 transmitter, making it a direct fit for drivers using that radio. Builders who need more than four channels or a different protocol should look at other options. The compact size suits tight chassis layouts where space is limited. No external antenna routing is required.

Stable link under continuous use

The AFHDS 3 hopping scheme keeps the connection steady during extended runs rather than just short bursts. Two-way telemetry continues to flow while the vehicle is under load. The single internal antenna maintains reception without protruding parts that can snag. Light weight helps preserve handling balance over long sessions.

Highlights

  • Compatible with FlySky Noble FS-NB4 PL18 transmitter for RC car and boat control
  • AFHDS 3 automatic frequency hopping gives quick, stable link-up and easy binding
  • Internal single antenna with two-way transmission keeps installation compact
  • Supports PWM, PPM and i-Bus output for flexible servo and flight-controller connection
  • Ultra-small, ultra-light design saves space and reduces weight on the vehicle

Specifications

TypeCars

Questions about this item

Which transmitter is required to operate the FGr4S V2 receiver?

The receiver is compatible with the FlySky Noble FS-NB4 PL18 transmitter and works with AFHDS 3 protocol.

Will the receiver work with older AFHDS 2 or first-generation FlySky transmitters?

The receiver uses AFHDS 3, FlySky's third-generation system, and is designed for AFHDS 3 remote controllers only.

How can I confirm the receiver is linked and sending data after binding?

After binding, the receiver outputs PPM, i-bus or PWM signals to the connected servos or flight controller, confirming an active link.

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