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SEQURE ELRS 2.4GHz Dual RX - True Diversity receiver with two 220mm antennas
ID: 1207250
5902186340541
zł112.18
Tax included
zł91.20 tax excl.
The ExpressLRS 2.4 GHz receiver uses two SX1281 RF chips and two 220 mm antennas operating in a True Diversity configuration. It supports F1000Hz and F500Hz refresh rates, 100 mW (20 dBm) × 2 telemetry power and a TCXO, making it suitable for FPV drones and high-speed RC models. SEQURE ELRS 2.4GHz Dual RX & 220mm*2
Description
The ExpressLRS receiver operating in the 2.4 GHz band features an ESP32-PICO-D4 microcontroller and two SX1281 RF chips. Two 220 mm antennas operate in a True Diversity configuration, providing two independent receiving paths. The design helps reduce the impact of antenna orientation and temporary interference on signal reception in FPV drones and other RC models using the ExpressLRS system.
Transmission supports F1000Hz and F500Hz refresh rates, allowing the receiver to be used in models requiring high-speed communication and low latency. The temperature-compensated TCXO maintains stable operating frequency under changing ambient temperatures. Two integrated PA + LNA paths amplify the signal, while 100 mW (20 dBm) × 2 telemetry power enables data to be transmitted back from the model to the transmitter.
Communication with the flight controller uses the CRSF protocol. An SH1.0-4P connector and 2.54-4P solder pads provide two connection methods, while the antennas connect via IPEX1 connectors. An RGB LED indicates the current operating status. The board measures 23 × 12.8 × 5 mm and weighs 1.5 g, allowing installation in small and lightweight FPV builds.
Features
- Model: SEQURE ELRS 2.4GHz Dual RX
- Radio system: ExpressLRS 2.4 GHz
- Frequency band: 2.4 GHz ISM
- RF mode: True Diversity, two receiving paths and two antennas
- Microcontroller: ESP32-PICO-D4
- RF chips: SX1281
- Oscillator: temperature-compensated crystal oscillator (TCXO)
- Supported refresh rates: F1000Hz and F500Hz
- Telemetry power: 100 mW (20 dBm) × 2
- LNA: yes
- Communication protocol: CRSF
- Antenna interface: IPEX1
- Antenna length: 220 mm
- Receiver connector: SH1.0-4P
- Solder pads: 2.54-4P
- Status indicator: RGB LED
- Operating voltage: 5 V
- Factory firmware: SEQURE 2.4GHz Dual RX_3.4.0
- Dimensions: 23 × 12.8 × 5 mm
- Weight: 1.5 g
Kit includes
- SEQURE ELRS 2.4GHz Dual RX receiver – 1 pc.
- 2.4 GHz 220 mm antenna – 2 pcs.
- 30 AWG 100 mm cable with a single-ended SH1.0-4P connector – 1 pc.
- 12 × 30 mm heat-shrink tube – 2 pcs.
1207250
Manufacturer
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
Responsible person
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
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ExpressLRS receiver operating in the 868 MHz / 915 MHz bands, using two SX1276 RF chips and two antennas measuring 120 mm and 220 mm in a True Diversity configuration. Telemetry power of 50 mW (17 dBm) × 2, a TCXO, and the CRSF protocol support operation in FPV drones and RC models requiring stable communication over longer distances. SEQURE ELRS 868/915 MHz Dual RX & 120mm + 220mm
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