R603FS 2.4Ghz FASST 3-Channel Receiver (3PM/3PK/4PK) by Futaba

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This is the Futaba 2.4GHz R603FS 3-Channel Receiver with FASST (Futaba Advanced Spread Spectrum Technology) Technology for use with the 2.4GHz FASST transmitter module for the Futaba 3PK radio systems. This is the receiver that comes with the 3PK FASST radio system. Unlike less reliable single antenna receivers, this Futaba receiver employs an antenna diversity system-one internal and one external antenna on the R603FS receiver to eliminate dead spots anywhere on the track. The receiver has an auto-detect function to determine which mode-HRS or PPM is active.

This receiver also works with the 3PM and 4PK radio systems.


Reception Antenna: Dual Diversity type (Internal and External)
Power Requirement: 6V NiCd or NiMH battery, Li-Poly with regulator
Options: DSC Function Available
Size: 1.5 x 1 x .55" (39 x 26 x 14mm)
Weight: .50oz (14.1g)

This product was added to our catalog on October 25, 2006.

Tuesday, Oct 12 2010 (about 6 years ago)
Futaba R603FS 2.4Ghz FASST 3-Channel Receiver (3PM/3PK/4PK)
Ive owned two futaba recievers, both the FF and FS models and both are equally good and dependable. Ive raced them in the desert of phoenix, durring summer night racing in a nitro and an electric stadium truck and have never had any glitches or shutdowns. The FF is perfectly fine for electric models, but the FS model is the nitro guys best friend. The fail safe works if you have an issue with the radio (like the batteries die or you run out of range). The fail safe will kick in and if you set it right, it will have the brakes on full power to stop your vehicle. (if the battery goes an old fashioned return spring on the carb will save you hundreds). This thing is great and I highly recomend them for any one who races and needs worry free radio equipment.
Marc Brey
Friday, Nov 30 2012 (about 3 years ago)
Futaba R603FS 2.4Ghz FASST 3-Channel Receiver (3PM/3PK/4PK)
Great receiver! never a glitch or brown-out running nitro or electric in a metal building withh ambient temps ranging from 45-100+*F Anyone having temp problems have an older unit IMO
jeff frederick
Wednesday, Sep 19 2012 (about 4 years ago)
Futaba R603FS 2.4Ghz FASST 3-Channel Receiver (3PM/3PK/4PK)
Have used this receiver for years....outdoor track 1/8 scale buggy in 100 degree weather for hours on end and NEVER had so much as a glitch....excellent receiver!
Eric Matheis
Verified Owner
Saturday, Sep 25 2010 (about 6 years ago)
Futaba R603FS 2.4Ghz FASST 3-Channel Receiver (3PM/3PK/4PK)
I've ran the R603FS receivers in 1/8 scale offroad, 1/10 scale 4wd offroad, and short-course trucks. Never once have I had any issues, shutdowns, or glitches. I'd definitely use these receivers again.
David Hart / KWI 20889
Verified Owner
Monday, Sep 20 2010 (about 6 years ago)
Futaba R603FS 2.4Ghz FASST 3-Channel Receiver (3PM/3PK/4PK)
Not quite sure what heat problems your having, but I have been running 5 of these receivers in my MBX6 & 6T in Kuwait for the past two years without one single problem, It would be impossible to run with the battery any closer to the engine. I also use lipo 7.4v and have a Losi voltage regulator sat on top of the receiver and a JR 8711 on the steering, after a final the radio box is cooking, NEVER had a problem. I am tempted to suggest it maybe a faulty batch (over sensitive), I would send it back.
Hunter Hale
Wednesday, Jun 23 2010 (about 6 years ago)
Futaba R603FS 2.4Ghz FASST 3-Channel Receiver (3PM/3PK/4PK)
I would not buy this, I have a 3PKS and I have gotten the thermal shutdown several times. Enough that I am switching radios.. If your RX compartment is close to your engine I would recommend moving it to the front and move the battery to the rear..
nardo tamisen
Saturday, May 22 2010 (about 6 years ago)
Futaba R603FS 2.4Ghz FASST 3-Channel Receiver (3PM/3PK/4PK)
is not true futaba R603 is good quality and i am using 4pk i have 5 recceiver still ok even the wheather is hot .
Felipe Lyon
Sunday, Jan 31 2010 (about 6 years ago)
Futaba R603FS 2.4Ghz FASST 3-Channel Receiver (3PM/3PK/4PK)
This receiver has thermal problems, when the track is hot and at certain high temperature the receiver comes to shutdown.