Description
A compact, full-featured receiver for models that require advanced RF performance, telemetry, and connectivity in a space-efficient package.
Compatibility: Compatible with all ExpressLRS transmitters and modules, including radios with built-in ELRS.
Features.
- Dual-Band Gemini X (2.4GHz + Sub-G 900MHz).
- 3 PWM Outputs + Serial Support: Compact PWM output with CRSF and SBUS options.
- External UART Port (Locking Connector): Dedicated interface for telemetry, external devices, and system expansion.
- Independent Multi-Source Voltage Telemetry: Monitor up to two power sources simultaneously using dedicated ADC channels: EXT-V (up to 70V), receiver supply voltage (V-PWM) (up to 12V).
- MMCX Antenna Connectors: Durable, replaceable antennas with a secure connection.
- Wi-Fi Updates & WebUI: Configure and update directly without disassembly.
- Durable Injection-Molded Housing: Compact, protective enclosure for long-term reliability.
Specifications.
- Input Voltage: DC 5.0 – 12.0V
- Wireless Protocol: ExpressLRS
- Output Channels: 3CH PWM
- Serial Output: CRSF / SBUS
- Telemetry Power: Up to 100mW (adjustable via LUA)
- Voltage Detection Range (EXT-V): DC 4.0 – 70V
- Bus Interface: CRSF
- Antenna: 25 cm high-sensitivity, MMCX connector
- Weight: 13.5 g (without antenna)
- Dimensions: 49.2 × 26.8 × 13.0 mm
- Firmware Target: RadioMaster Dual 2.4GHz/900MHz Receiver
- Device Name: ER3Pro Dual Band True Diversity + 3×PWM RX
- ELRS FW Version: Requires version 4.1.0 or Higher
Package Includes
- 1 * ER3PRO PWM - Dual-Band GEMINI and GEMINI-X Receiver
- 2 * 2.4GHz Antennas
- 2 * Dual-Band Antennas
- 1 * Voltage Telemetry Cable (Type-B)
- 1 * CRSF Cable
- 1 * ELRS RX SBUS Cable