Optimized Performance: The BAYCKRC is engineered for superior long-range connectivity, supporting dual frequencies of 2.4GHz, perfect for FPV racing drones and remote-controlled models Advanced Technology: Equipped with the latest ELRS technology, this receiver ensures stable and reliable communication even in challenging environments, enhancing your control and flight experience Versatile Compatibility: Designed to integrate seamlessly with various drone models and remote controllers, the receiver is a versatile choice for hobbyists and competitive racers alike Durable and Reliable: Built to withstand the rigors of intense racing, this receiver promises durability and longevity, ensuring peak performance race after race RF chip:Dual LR1121 frequency:2.4GHz size:12 x 17mm return power:10mW Supply voltage:3.6-5.5V Due to different batches, there may be differences in product appearance and printed text, which will not affect use (Feeder 50mm * 2) Color: As Shown Material: PCB Package Contents: 1 * Receiver kit