Advanced Communication Technology: Equipped with MAVLINK protocol for enhanced data transmission, ensuring reliable and efficient communication over long distances High Precision TCXO: The Temperature Compensated Crystal Oscillator ensures stable frequency operation, critical for maintaining connection in varying climatic conditions Optimized for RC Models: Specifically designed to boost the performance and range of remote control models, making it ideal for hobbyists and professionals alike Built-in Bluetooth functionality allows for easy connectivity and configuration via mobile devices RF Frequency:2.4GHz ISM RF power:13dBm (min) / 20dBm / 24dBm / 27dBm / 30dBm(1000mW) Antenna connector:IPEX MHF-1 to SMA/RP-SMA mRx-Tx Adapter TX2:RC IN(CRSF) Power supply:5-13V DC@ JR_PIN3 (VIN) The product appearance and printed words depending on the batch, but this does not affect use. Colour:Blue Material:PCB Package Contents: 1 * MR24-30-TX 1 * IPEX MHF1 to SMA adapter cable 1 * IPEX MHF1 to RP-SMA adapter cable 1 * 5V Fan and some screws 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.