Futaba 4PX 4-Channel T-FHSS Telemetry System

Tower Stock# LH6817  •  Manufacturer Stock# FUTK4905
Futaba 4PX 4-Channel T-FHSS Telemetry System (large view)
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Notes from our tech department:
This is the Futaba 4PX 2.4GHz FASST, T-FHSS, S-FHSS
4-Channel Surface Computer Radio System with the
R304SB 2.4GHz FHSS 4-Channel Telemetry Receiver.
**Transmitter and Receiver Only, Servos Not Included**


30% faster and 0.5oz (15g) lighter than the Futaba 4PKS-R
3.5" (89mm) QVGA (Quarter Video Graphics Array) TFT (Thin Film
Transistor) color LCD screen
31 telemetry sensor slots available (sensors not included, and must
be purchased separately)
Synthesized voice for telemetry data
Built-in S.Bus servo/Futaba ESC/telemetry sensor programmer
Multiple crawler functions including 4WS mixing and Dual ESC mixing
Large assignable switch on bottom of transmitter
5 programmable mixes, 40 model memory
Multi-function jog switch
Steering wheel can be switched for left-handed drivers
Three grip thickness options (two included), built-in vibration
Adjustable, rigid throttle trigger
Micro memory card slot
Free updateable software
Internal aluminum frame
Adjustable built-in antenna
Note: Comes with a 4 Cell dry battery holder installed in the transmitter.
Please read the warning on page 10, this is only to be used when
you are programming the transmitter. Use a NiMH or LiFe when racing
One year limited warranty through Hobby Services beginning at date of


Futaba 4PX 4-Channel Surface Transmitter with
R304SB 4-Channel Telemetry Receiver


5C 6V NiMH battery (recommended FUTM1482 FHT5F1800B) or
2C 6.6V LiFe battery (recommended HCAM6521)
Servos of modeler's choice
Order FUTM1832 for NiMH capable transmitter battery charger


Power Requirement: 6V NIMH or 6.6V LiFe
(per page 19 DO NOT use AA batteries unless only programming)
Compatible Receivers: Futaba R304SB, R304SBE, R2104GF,
R204FG, R204FGE, R614FS, R614FFE, R203GF, and R2004GF.
Current Drain: 300mA or less (when T-FHSS, vibration off, back
lighting on)

Power Requirement: 4.8 - 7.4V battery (3.5 - 8.4V usable)
(dry cells cannot be used)
Receiving Frequency: 2.4GHz
System: T-FHSS (auto detection)
Dimensions: 1.38 x 0.91 x 0.33" (35.1 x 23.2 x 8.5mm)

Compatible sensors include;
FUTM0854 SBS-01T Temp Sensor (ideal for engines)
FUTM0856 SBS-01TE EP Temp Sensor, (ideal for motors)
FUTM0852 SBS-01RM Magnet Sensor (measures speed from 0-999,999
RPM range
FUTM0855 SBS-01V EXT. Voltage Sensor (measures external power
supply voltages up to 100V

jxs 06/09/14
JMLM 10/02/14
JMLM 11/28/14

See Tower Catalog page 152.
Parts Compatibility
Easy RC: Radio Systems
Review #1
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