These receivers are ultra-light and ultra-small in size, making them easy to carry. Adopts IPEX1 first-generation antenna base and external T-shaped antenna. Great for FPV matches and long distances. The Nano receiver (2.4G version) is a receiver with a power amplifier (PA+LNA). It has 100mW telemetry output and better sensitivity at longer distances. Excellent material, not easy to damage. Name:Nano 2400 RX Firmware: 2400 Nano Antenna interface: 1 Operating voltage:4-5.5V Minimum refresh rate:25HZ Maximum refresh rate:500HZ Type:ISM Operating protocol:CRSF Colour:As Shown Material:PCB+Plastic Package Contents: 1 * Receiver Module 1 * Antenna 1 * Connection cable 2 * Casings 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.