1 VRX NOTCH filter (868/915 MHZ) This filter along with TBS Crossfire on 868 and 915 mhz improves video reception in 1 video receivers. When utilized in conjunction with TBS Crossfire, this filter out improves video reception at 1 GHz video receivers. Because of the deficient filtering and vast operating frequency on the video antenna input on most typical 1 video receivers, they don't properly separate the video feed from the TBS CROSSFIRE transmission signal. Install this filter out between your video receiver and antenna and you're pleasant to go. This filter out supports to block 868MHz and 915MHZ alerts color: Black Material: ABS Package Contents: 1 x Filter (868/915 Mhz) Tbs Only the above equipment content, assorted item are not included. Note: Light reflection and diverse displays could cause the color of the item in the picture somewhat varied from the genuine thing. The size allowed error is +/- 1-3cm.