1.2GHZ VRX filter (868/915 MHZ) This filter in combination with TBS on 868 and 915 mhz improves video reception in 1.2-1.3GHz video receivers. When used in conjunction with TBS , this filter improves video reception at 1.2-1.3 GHz video receivers. Because of the poor filtering and wide operating frequency on the video antenna input on most common 1.2-1.3GHz video receivers, they do not properly separate the video feed from the TBS transmission signal. Install this filter between your video receiver and antenna and you're . This filter helps to block 868MHz and 915MHZ signals Color: Black Material: PCB Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Package Contents: 2 x Filter 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.