The Zephyr receiver is an ELRS Gemini X dual-band, true diversity receiver manufactured by Holybro. Equipped with Semtech's third-generation LR1121 transceiver and the ESPRESSIF ESP32-PICO-D4 processor, the Holybro Zephyr can be configured in either 915MHz (sub-GHz) or 2.4GHz LoRa mode. The Holybro Zephyr utilizes a diversity reception system, which offers a wider signal range and a more stable connection than conventional receivers. It also features a built-in Wi-Fi antenna, allowing for firmware upgrades via Wi-Fi.
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Specification
- Processor: ESP32-PICO-D4
- RF Chip: Semtech LR1121 * 2
- 900MHz TX Power (MAX)：100mW(20dBm)
- 2.4GHz TX Power (Max): 100mW(20dBm)
- Antenna Frequency Range: 902-928MHz & 2400-2500MHz
- Antenna Gain: 3±1 dBi
- Antenna SWR: less than 1.5
- Receiver Maximum Refresh Rate: 500Hz
- Receriver Minimum Refresh Rate: 50Hz
- TCXO: Yes
- Modulation: LoRa, FSK
- Input Voltage: DC 4-7V
- Current Rating: 5V/350mA(Max)
- Connector: SH1.0
- Antenna Connector: IPEX1
- Dimension (w/o antenna): 16 x 27 x 5mm
- Weight: 2.3g(w/o antenna)/11g(w/ antenna)
Package Includes
- 1 x Holybro Zephyr Gemini X receiver
- 2 x Dual-band T-antenna
- 1 x SH1.0 4-pin cable
- 1 x Heatshrink tube
Setup Guide
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