Cosmic PulseXP1 Dual-Band ExpressLRS Receiver (2.4GHz/
SKU COSMIC-PULSEXP1
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Product details
The Cosmic PulseXP1 is a compact ExpressLRS receiver built on the Semtech LR1121 radio, so one receiver covers both the 2.4GHz and 900MHz bands. It suits FPV quads, fixed-wing aircraft and ArduPilot UAVs that need a robust long-range link with telemetry.
Key features
- Gemini Xrossband (GemX) support runs both bands at once through a single antenna for a more reliable link
- 100 mW telemetry amplifier on each band, plus a low-noise amplifier for better receive sensitivity
- MAVLink pass-through carries telemetry, commands and mission-planning traffic between the flight controller and ground station
- Configurable serial output: CRSF, SBUS, SUMD or MAVLink on a 3.3 V logic UART
- Built-in Wi-Fi for over-the-air firmware updates from a browser
Specifications
- RF chip: Semtech LR1121
- Bands: 2.4GHz and 900MHz
- Telemetry power: 100 mW per band
- Protocol: ExpressLRS
- Outputs: CRSF, SBUS, SUMD, MAVLink
- UART logic level: 3.3 V
Gemini Xrossband needs a transmitter module that supports it. Flash the transmitter and receiver to the same ExpressLRS major version before binding, and set the receiver to MAVLink output only when the flight controller runs ArduPilot with a MAVLink serial port.
| RC Protocol | ELRS |
|---|---|
| Brand | Cosmic |
| Frequency | 2.4GHz, 868/915MHz |
| Diversity | No |
| Output Protocol | SBUS, MAVLink, CRSF |
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