Temperature Compensated Crystal Oscillator - Using TCXO temperature compensated crystal oscillator, there is no fear of extreme temperatures such as high and low temperatures affecting the working state. The frequency is more stable and the flight is safer.<br><br>Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Type:868mhz Colour:Black Material:PCB<br><br>Package Contents: 1 * For GEPRC ELRS DUAL Diversity Receiver 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.