1. Advanced receiving technology: Dual receivers use ELRS (ExpressLRS) technology to high-performance and reliable connection for remote control aircraft and FPV drones 2. Enhanced connectivity: Dual links provide true diversity, significantly reducing the risk of signal loss 3. Built-in TCXO: Equipped with a temperature compensated crystal oscillator (TCXO), it can stable frequency performance even under changing temperature conditions, which is very suitable for outdoor use 4. Designed for DIY enthusiasts: Whether you are assembling or upgrading remote control aircraft or drones, it is an essential component for enhancing control and range, and is an ideal choice for long-distance flight experience Type: ISM 2.4GHz ESP32 D4, dual SX1280 (SX1281) Antenna connector: MHF 1/U.FL frequency: 2.4GHz (2400-2480MHz) Telemetry power: 19dbm Receiver protocol: CRSF (The product appearance and printed words depending on the batch, but this does not affect use) Color:As Shown Material:PCB Package Contents: 1 * ELRS Receiver Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.