Holybro Zephyr ELRS Gemini X dual band receiver

Holybro Zephyr ELRS Gemini X dual band receiver is a Holybro catalog item in Telemetry & Data Links. Review the model details below and request compatibility and supply information for civilian use.

Model specifications

Manufacturer technical notes

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.

Visit ELRS Gemini to learn more.

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

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)

1 x Holybro Zephyr Gemini X receiver

2 x Dual-band T-antenna

1 x SH1.0 4-pin cable

1 x Heatshrink tube

ELRS Quick Start Guide

Product inquiry

Availability, price, package contents and hardware revision are confirmed on inquiry. This listing does not assert local stock, a delivery date or official distributor status. Confirm voltage, connectors, firmware and operating requirements before use.

• Original manufacturer model information
• Manufacturer documentation