This is the KO Propo RF-903FH 2.4GHz FH-SS Transmitter Module with KR-411FH Receiver, and is intended for use with the KO Propo EX-10 Helios, EX-1 UR/Mars and Esprit 3 transmitters. The RF-903FH Frequency Hopping Spread Spectrum Module is only compatible with the EX-10 Helios, EX-1 UR/Mars and Esprit 3 transmitters. The KR-411FH four channel micro receiver uses KO's Frequency Hopping Spread Spectrum system and is only compatible with the RF-903FH and RF-904FH modules.
- Input voltage 4.8-7.4V
- Coaxial antenna wire for better range and noise filtering
- Small Footprint 28x18.3mm
- Quick binding
- Fail Safe Function
- 4 Channel System
- Operational lowest voltage 2.5V