Fangrui Product Details 1.2ghz Vrx Notch Filter (868/915 Mhz) This Filter In Combination With Tbs Crossfire On 868 And 915 Mhz Improves Video Reception In 1.2-1.3ghz Video Receivers. When Used In Conjunction With Tbs Crossfire, 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 Crossfire Transmission Signal. Install This Filter Between Your Video Receiver And Antenna And Youre Good To Go. 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 Me