105422 | HPI RF-45 2.4Ghz 3ch Receiver

The RF-45 receiver is the perfect size to fit in any RC car or truck. Its tiny size is just 33x26mm and only 13mm high, and its extremely light weight of just 8 grams means it won’t affect the weight balance, no matter where it’s installed.

The RF-45 receiver has been designed with nitro and gas vehicles in mind. It has a convenient battery type switch that sets the low voltage failsafe cut-off limit. If you’re using the radio system in a nitro or gas vehicle equipped with a LiPo receiver battery, just put the switch in the LiPo position. Some nitro vehicle owners use 6v NiMH 5-cell packs (commonly known as ‘hump’ packs), in this case put the switch in the NiMH position.

Using Frequency-Hopping Spread Spectrum (FHSS) digital 2.4GHz radio technology, the RF-45 works with any TF-40 or TF-45 radio via a simple and quick binding procedure to give you a secure, reliable connection at all times. Should the radio link ever fail for some reason, the radio will instantly switch the throttle channel to its failsafe position, which you can set to full brake for a nitro vehicle. HPI RTR vehicles already have the failsafe position set from the factory.

If you want to use the TF-45 transmitter with an electric vehicle, then simply pair the TF-45 with an RF-40 receiver instead of the RF-45.

RF-45 Receiver Features:

1. Small size fits nearly anywhere
2. Frequency-Hopping Spread Spectrum (FHSS) digital 2.4GHz radio technology
3. Simple binding to the TF-45 transmitter
4. Adjustable failsafe settings
5. Battery type switch (7.4v LiPo or 6v NiMH)
6. 3rd channel plug can be used to control lights, winch, etc., or power a personal transponder
7. Just 33x26x13mm in size
8. Extremely light weight (8g)
9. Note: the RF-45 should not be used with alkaline or other non-rechargeable batteries

#105420 – HPI TF-45 2.4GHZ TRANSMITTER (3CH)
#105422 – HPI RF-45 RECEIVER (2.4GHZ/3CH)
#105424 – HPI TF-45 / RF-45 2.4GHZ RADIO SET
#105429 – HPI TF-45 GRIP (SMALL/LARGE)

Download PDF instructions for #105422 (2.9 MB)