Radiomaster ELRS RP3 V2

RadioMaster ELRS RP3 Receiver

The RadioMaster RP series receivers now incorporate a TCXO (temperature-compensated crystal oscillator), which provides exceptional stability and accuracy in signal reception. This advancement ensures consistent performance even in challenging conditions, delivering a smoother and more reliable flight experience.

Prioritizing compact size, ease of installation, and impressive range, the RP series is built on ExpressLRS 2.4GHz open-source firmware. These nano receivers meet the demands of today’s pilots by offering extended range and advanced functionality in a minimal footprint.

Powered by the ESP8285 microcontroller and the SX1280IMLTRT RF chip, the RP series supports Lora and FLRC 2.4GHz protocols. This combination results in remarkable range capabilities and ultra-low latency control. Thanks to integrated WiFi, firmware updates can be completed directly on the aircraft without dismantling or removing the receiver. Binding is also simplified through the use of a bind phrase, eliminating the hassle of bind plugs or awkward button presses during setup.

Among the lineup, the RP3 model features the Skyworks SE2431L module, which enhances reception with a low-noise amplifier (LNA), boosts telemetry transmission with a power amplifier (PA) capable of up to 100mW, and enables antenna diversity through automatic antenna switching.

In addition to the RP3, RadioMaster offers the RP1 and RP2 receivers, giving pilots flexible options to match different builds and preferences.

Key Features

• PCB layout has been optimized to enhance heat dissipation efficiency.

• Integrated low-noise amplifier (LNA) increases receiver sensitivity and extends range.

• Equipped with a power amplifier (PA) to boost telemetry transmission range.

• Dual antennas with diversity support improve signal reliability and overall range.

• Includes a TCXO (temperature-compensated crystal oscillator) for superior frequency stability.

• Fully compatible with all 2.4GHz ExpressLRS transmitters and modules featuring built-in 2.4GHz ExpressLRS capability.

Technical Specifications

• Product Name: RP3 Diversity Receiver

• Operating Band: ISM 2.4GHz

• Main Processor: ESP8285

• RF Chipset: SX1281

• Telemetry Output Power: Up to 100 mW

• Antenna Setup: Dual 65mm 2.4GHz T-type antennas

• Frequency Range: 2.404 – 2.479 GHz

• Maximum Refresh Rate: 500Hz (or F1000Hz)

• Minimum Refresh Rate: 25Hz

• Input Voltage: DC 5V

• Weight: 4.6 grams (including both antennas)

• Dimensions: 22 × 13 × 4 mm

• Preloaded Firmware: ExpressLRS v3.0

• Firmware Target: RadioMaster RP3 Diversity 2400 RX

• Interface Type: CRSF protocol