Review: RadioMaster RP4TD ExpressLRS Receiver – True Diversity Supports ELRS Gemini Mode

Review: RadioMaster RP4TD ExpressLRS Receiver – True Diversity Supports ELRS Gemini Mode

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The excitement round ExpressLRS Gemini Mode is plain, but there’s a scarcity of true variety receivers in the marketplace that assist this superior characteristic. Enter the RadioMaster RP4TD – marking a big improve from its predecessor, the RP3, which solely provided antenna variety. Let’s dive in to see what it affords.

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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 bundle 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 Price: 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 characteristic of the RP4TD is its two separate SX1281 RF chips and TCXO (Temperature Compensated Crystal Oscillators). This design means the receiver is healthier outfitted to deal with a variety of temperatures and difficult environments. With twin RF chips, the RP4TD affords two telemetry outputs at 100mW every, a big improve for lengthy vary flying. For these trying to push the bounds of two.4GHz FPV flying, this receiver looks as if a great alternative.

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 either 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 as a consequence of its twin RF chains, the design stays impressively compact.

Radiomaster Rp4td Diversity Expresslrs Elrs Receiver Rx Size Compare Ep1

Nonetheless, the inclusion of longer antennas might have enhanced its attraction for bigger builds, similar 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 secret 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 important for sustaining a constant and dependable connection.

Conclusion: Is the RP4TD Proper for You?

Radiomaster Rp4td Diversity Expresslrs Elrs Receiver Rx

Be aware that true variety doesn’t mandatory improve vary however meant to boosts reliability and hyperlink high quality, significantly with Gemini mode enabled.

The RadioMaster RP4TD Variety ELRS Receiver is a big improve for FPV pilots in search of 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, take into account getting some longer antennas for the very best setup. For many who push their FPV flying to the extremes, the RP4TD is a worthy funding, guaranteeing that your drone stays in fixed, dependable communication along with your transmitter.

95mm / 120mm / 240mm antenna:

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