KO Propo 10663 EX-NEXT Compact Radio with KR-420XT Antenna  [KO-10663]

KO Propo 10663 - EX-NEXT w/ KR-420XT Short Antenna
Price:
£307.59
Brand:
KO Propo
Model:
KO-10663
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Control Precision from KO Propo 10663 EX-NEXT

The KO Propo 10663 - EX-NEXT transmitter, supplied with the KR-420XT short antenna, is built for modellers who value accurate inputs and steady radio links. The compact antenna helps keep the connection consistent during intense driving sessions.

Stable Connection in Busy Environments

The KR-420XT short antenna reduces vulnerability to nearby radio noise and preserves control integrity. That steadiness helps maintain predictable car behaviour under pressure.

Good Choice for Competitive Drivers

For racers looking to improve their control setup, the EX-NEXT delivers the functionality needed for precise tuning and repeatable performance on lap after lap.

Specifications

  • Brand: KO Propo
  • Model Number: 10663
  • Antenna Type: Short (KR-420XT)
  • Compatibility: RC Car Transmitters
  • Category: Transmitter

The KO Propo 10663 - EX-NEXT with KR-420XT is a practical upgrade for competitive hobbyists seeking reliable signal performance and precise control.
Remark :
Due to limited stock availability, please notice that some KO Propo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

Does the short antenna limit performance on large tracks?

On very large venues you may see reduced maximum range compared to longer antennas, but for most club and national-level circuits the KR-420XT provides ample coverage with better interference handling.

How should I test the radio before a meet?

Perform a short range walk test, check binding and failsafe settings, and verify antenna security. Confirm servo centering and input response under load.

Are firmware updates available for the EX-NEXT?

Firmware updates depend on KO Propo support. Consult the manufacturer site or authorised dealer for update availability and instructions.

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