for FPV DIY Parts Colour:Black Material:PC Usage Notes for tlne Transmitter Diversity Board: TX1 and TX2 must cperate on frequencybands that are not integer multiples of each . The remote control.should be configuredto external TX mode. Set the CRSF seriaI port baud rate to 921K on the remote.control. Both transmitters should have the same telemetry rate, preferably set to 1:64 Each transmitter must have a packet rate not exceeding 250Hz The power input rarge for the transmitte.r diversity board is 6--5V ( compatibilit with the transmitters supported voltage range, 2-3S batteriesare recommended). Usage Notes fo. the Receiver Diversity Board: RX1 successfully pairs with TX1, and RX2 successfully pairs with TX2. Alternatively, elnsure RX1 successfully pairs witlh Tx2, and RX2 successfully pairs with TX. Due to different product batches, the appearance , which does not affect the use Type: A Package Contents: 1x Receiver Board 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.