ImmersionRC EzUHF 4 Channel Receiver

RRP $79.95
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ImmersionRC 4 Channel 'Tiny' EzUHF Receiver

A Full Featured LRS

When 2.4GHz R/C systems run out of steam, UHF Long Range Systems are ready for more.
The EzUHF system has proven performance, and was used by the FPV experts for their famous proximity flights.

Built-in Spectrum Analyzer

The only commercial LRS to include this essential feature; a built-in Spectrum Analyzer. This essential tool may be used to ensure that a model emits no interfering emissions on the UHF band, which could reduce range.
Plug in a standard USB cable, install the free ImmersionRC Tools, and create charts of power emitted on the UHF spectrum.

Arbitary Channel Mapping

Using the ImmersionRC Tools, the servo outputs of the EzUHF 8 channel Rx may be arbitrarily remapped to suit the target model.
Multicopter wiring may be greatly simplified using a single PPM cable, easily configured using the tools. Need PWM outputs to drive Pan/Tilt servos?, no problem using the tools.

Uplink Status (UPSTAT)

All uplink status is available in the single-cable PPM stream for use by supported OSDs. The XuGong v2/Pro, or the upcoming XuGong Vortex both take advantage of this method to show critical uplink status on-screen.
The received signal strength (RSSI) of each of the receiver’s antennas, along with the link quality, are captured by the OSD, and displayed with appropriate alarms to indicate marginal conditions.
NOTE: EzUHF Firmware v1.51 or later required to support single-cable UPSTAT.

Simple Failsafe

Setting the failsafe on the EzUHF is as simple as pressing a button on the back of the transmitter during flight.
Set your model into a gentle turn, drop the throttle, and set the failsafe. In the unlikely situation where the uplink is lost, the model will safely glide to the ground.
On a multicopter, the UHF failsafe will trigger the flight controller’s failsafe, and for most systems will start the RTH (Return to Home).

Tech Specs:

Reliable FHSS Link (Frequency Hopping, Spread Spectrum)
433MHz/70cm Ham band operation
-113dBm Sensitivity
Ceramic filtered input, eliminates nearby high-power video Tx interference
Mikrokopter mode, emits PPM (8 channels!) on a chosen channel
Vehicle mode, couples two chosen channels (ideal for coupling steering servos on monster trucks)
USB Connection for easy firmware upgrades, and advanced configuration
Standard SMA antenna connector, compatibility with standard 433/70cm band antennas
4 standard servo connectors
Failsafe, preset by button on the EzUHF transmitter
Power Requirements: 4.8v - 6v, 33mA


The ownership, use and operation of FPV radio equipment (such as UHF long range systems or video transmission equipment), which are technically considered to be RF devices, may require a license and some countries may forbid its use or ownership entirely. In many countries you will need an amateur radio license in order to operate FPV radio equipment. It is your responsibility to ensure that the use of products you purchase from SimTechFPV meet the requirements imposed by your government's rules and regulations for RF devices. Do not purchase products from SimTechFPV if you are unsure of your government's requirements or are not able to comply with them. SimTechFPV cannot be held responsible for your actions under any circumstance, including but not limited to if you use products purchased from SimTechFPV in violation of your government's regulations.


Brand ImmersionRC
Shipping Weight 0.0220kg
Shipping Width 0.120m
Shipping Height 0.220m
Shipping Length 0.060m
Assembled Height 0.002m

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