Evaluate: RadioMaster RP4TD ExpressLRS Receiver – True Variety Helps ELRS Gemini Mode


The thrill round ExpressLRS Gemini Mode is simple, but there’s a scarcity of true range receivers available on the market that help this superior function. Enter the RadioMaster RP4TD – marking a major improve from its predecessor, the RP3, which solely supplied antenna range. Let’s dive in to see what it provides.

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Be taught extra about ExpressLRS in our complete tutorial: https://oscarliang.com/setup-expresslrs-2-4ghz/

What’s Gemini Mode? https://oscarliang.com/expresslrs-gemini/

The place to Purchase?

Get the RP4TD Receiver from these distributors:

The package deal features a set of silicone wires for connecting to the flight controller, and three items of clear warmth shrink, enhancing the sturdiness of the setup.

Radiomaster Rp4td Diversity Expresslrs Elrs Receiver Rx Unbox Accessories

Technical Specs

  • MCU: ESP32
  • RF Chip: Twin SX1281
  • Antenna: Twin 65mm 2.4GHz T Antennas
  • Frequency Vary: 2.4GHz
  • Most Refresh Charge: 500Hz / F1000Hz
  • Telemetry RF Energy: Max 100mW (x2)
  • Working Voltage: DC 4.5-12.0V
  • Weight: 1.4g (excluding antennas)
  • Dimensions: 23.7×16.3×4.0mm
  • Pre-installed Firmware: ExpressLRS V3.3.0
  • Firmware Goal: RadioMaster RP4TD 2400 RX
  • Bus Interface: CRSF
  • Prolong Interface: UART

The standout function of the RP4TD is its two separate SX1281 RF chips and TCXO (Temperature Compensated Crystal Oscillators). This design means the receiver is healthier geared up to deal with a variety of temperatures and difficult environments. With twin RF chips, the RP4TD provides two telemetry outputs at 100mW every, a major improve for lengthy vary flying. For these seeking to push the boundaries of two.4GHz FPV flying, this receiver looks as if an excellent selection.

Construct High quality

The receiver itself is compact and well-built.

The highest facet contains a boot button and two U.FL connectors for the antennas. The 4 soldering pads are accessible on each side of the receiver with clear labels: 5V, GND, RX and TX.

Radiomaster Rp4td Diversity Expresslrs Elrs Receiver Rx Closeup Pcb Top

Radiomaster Rp4td Diversity Expresslrs Elrs Receiver Rx Closeup Pcb Bottom

Though the RP4TD is notably bigger than single-antenna EP1 receivers attributable to its twin RF chains, the design stays impressively compact.

Radiomaster Rp4td Diversity Expresslrs Elrs Receiver Rx Size Compare Ep1

Nevertheless, the inclusion of longer antennas may have enhanced its enchantment for bigger builds, comparable to 7″ or 10″ drones. Nonetheless, prolonged antenna wires are available for these in want:

95mm / 120mm / 240mm antenna:

Set up

Putting in the RP4TD is as easy as any ExpressLRS receiver. The bottom line is to make sure optimum antenna placement. To make sure the very best reception, positioning the antennas to keep away from getting blocked simultaneous by any a part of the quadcopter is essential. This separation is significant for sustaining a constant and dependable connection.

Conclusion: Is the RP4TD Proper for You?

Radiomaster Rp4td Diversity Expresslrs Elrs Receiver Rx

Notice that true range doesn’t mandatory improve vary however supposed to boosts reliability and hyperlink high quality, notably with Gemini mode enabled.

The RadioMaster RP4TD Variety ELRS Receiver is a major improve for FPV pilots searching for the utmost in reliability and efficiency. Its dual-chip design and sturdy construct make it a best choice for demanding flight situations.

Get the RP4TD Receiver from these distributors:

For these constructing bigger drones, contemplate getting some longer antennas for the very best setup. For individuals who push their FPV flying to the extremes, the RP4TD is a worthy funding, making certain that your drone stays in fixed, dependable communication together with your transmitter.

95mm / 120mm / 240mm antenna:


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