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  1. KO PROPO (#80444) EX-10 Helios RF-502FH FM40Mhz

    Our Price:  Low Price: USD$299.90

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KO PROPO is the world's leading manufacturer of Radio Control Systems exclusively developed for Model Car Use. Our range of World Championship winning products are used by leading drivers in all categories of car racing, from 1/12th On Road to the Large Scale 1/5th models. View our product areas for full details of the exciting radios available from KO PROPO - the number one choice when it comes to car systems! Masami Hirosaka (Team Yokomo), David Spashett (Team Trinity), Josh Cyrul (Team Trinity) and Ralph Burch Jr. (Team Serpent) have won numerous World and National Championships using KO PROPO products, so why not join the Champions by choosing KO PROPO.

Transmitter KT-303H

  • Operation Method: Wheel + Triger
  • Number of channels: 3 Channels
  • transmission Frequency: Any Band by changing crystals within the frequency randge
  • Neutral Pulse: 1.5msec
  • Memory: EEPROM
  • Supply Voltage: 8xAA size dry cells or 8 cells NiCD
  • Current Consumption: Less than 250mA

    RF-502FH Receiver

  • Reception Method: FM-PPM
  • Number Of Channels: 3 Channels
  • Reception Frequency: Any band by changing crystals within the frequency range
  • If Frequency: 455KHz
  • Supply Voltage: 3.5 to 6.5V
  • Dimentions: 29.3x24.4x16.4mm
  • Weight: 12.0 (excluding crystal)


  • Transmitter KT-303H (1Pc)
  • RF-502FH FM40Mhz Receiver (1Pc)
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