Overview
The Sub250 ELRS Nano Pro 2.4G Receiver is a compact ExpressLRS (ELRS) 2.4GHz ISM-band receiver designed for remote control links where low weight and a high refresh rate are required. It supports WiFi firmware upgrades and uses a TCXO (temperature-compensated crystal oscillator) for improved frequency stability across temperature changes during extended operation.
Key Features
- Ultra-compact size: 17 x 11 x 3.1mm
- Light weight: 0.7g (receiver only)
- WiFi firmware upgrade support
- ELRS open source project receiver
- Refresh rate: 25Hz to 1000Hz (max 1000Hz)
- TCXO for more stable performance across high/low temperature environments
- Built-in PA + LNA; telemetry (TLM) power up to 100mW
Specifications
Receiver
| Model | Sub250 ELRS Nano Pro 2.4G Receiver |
| Size | 17 x 11 x 3.1mm |
| Weight | 0.7g (RX only) |
| Chips | ESP8285, SX1281 |
| Crystal Oscillator | TCXO |
| Frequency Band | 2.4GHz ISM |
| Refresh Rate | 25Hz-1000Hz |
| Input Voltage | 5V |
| Connector | ipex1 |
| TLM Power | 100mW |
| Firmware | Sub250 Nano PRO 2.4G RX |
Antenna
| Model | Sub250 2.4G mini T Antenna |
| Length | 70mm |
| Weight | 1.1g |
| Connector | ipex1 |
| Bandwidth | 2400-2485MHz |
| VSWR | <1.5 |
What's Included
- 1 x ELRS receiver
- 1 x antenna
- 1 x heat shrink tube
- 4 x SH1.0 cable
- 1 x pin (4pin)
- 1 x instruction manual
Applications
- 2.4GHz ELRS receiver installations requiring compact size and low weight
- Remote control setups needing up to 1000Hz refresh rate and ipex1 antenna connectivity
For setup questions, firmware guidance, or after-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.
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