This high pass filter allows 1.2-1.3GHz signal while blocks 433 MHz from pass through.
A great adition for long range pilots using UHF RC systems, preventing the undesirable interfereces. 
Install this high pass 433MHz SMA Filter between your video transmitter and its antenna.

Features:
Low insertion loss
SMA connectors
Weight 9g
Insertion loss 46dB at 433MHz
Insertion loss 0.8dB at 900MHz
Insertion loss 0.5dB at 1280MHz
Insertion loss 0.9dB at 2.4GHz
50 Ohm impedance
10W Max Power
-55C to 100C Operating Temperature Range