This is the 75MHz Futaba R143F 3-Channel Micro FM Receiver.
FEATURES: Fail Safe system returns throttle to preset speed in the event of a
radio glitch or interference
Ideal for use in any nitro powered buggy, sedan or truck
INCLUDES: One 75MHz Futaba R143F 3-Channel Micro Receiver
REQUIRES: One Short FM receiver crystal use FUTL6461-90
Or a Futaba Single conversion crystal such as FUTL52**.
SPECS: Length: 1.7" (43mm)
Width: 1.1" (29mm)
Height: 0.6" (14mm)
Weight: 0.6oz (17g)
COMMENTS: The R143F receiver cannot be used with dry cell or NiMH batteries.
These batteries cannot endure a large current draw and the voltage
will drop frequently even though the battery is new