Specification: 1.2 GHZ VRX Filter (868/915 MHZ) This filter improves video reception on 1.2-1.3 GHz video receivers when used in conjunction with tbs on 868 and 915 MHz. When combined with tbs, this filter improves 1.2-1.2-1.2 GHz video reception. 1.3 GHz Video Receivers. Due to poor filtering at the video antenna input and wide operating frequency of the most common 1.3 GHz video receivers (2-1.3 GHz), the video feed cannot be properly separated from the tbs broadcast signal. Install this filter between your video receiver and antenna, and you're good to go. This filter helps block 868MHz and 915MHZ signals feature: Colour: Black Material: ABS Package Contents: 1 x filter (868/915Mhz) Notice: Only the above package contents, other products are not included. Light reflections and different monitors may cause the color of the item in the picture to differ slightly from the actual item. Allowable measurement error is +/- 1-3 cm. _x000D_ _x000D_