Precautions for using the high-frequency head diversity board: The remote control should be configured as an external high-frequency head; Set the serial port baud rate of CRSF on the remote control to 921K; The telemetry rate of the two high-frequency heads is set to the same, and it is recommended to set them to 1:64; The packet rate of each of the two high-frequency heads should not be higher than 250Hz; The power input range of the high-frequency head diversity board is 6-35V. The key reference is the voltage input range supported by the high-frequency head, and 2-3S batteries are recommended.<br><br>Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Black Material:PCB<br><br>Package Contents: 1 * FPV Receiver Transmitter Diversity Board kit<br><br>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.