Descriptions:

The quadcopter, motors and WSR can generate noise that can affect your FPV video quality. This compact and effective LC type filter uses great value inductance and capacitor components, designed to clean a noisy DC power supply that often causes lines in wireless video images
Most common signs of noise are to disrupt lines appear on the screen when we are flying. Problems often occur on sensitive FPV video systems when long power leads (7cm +) are used, limited space for wiring, improperly filtered transmitters, noise from speed controllers or switch mode DC-DC voltage converters, or most often a common battery is used to minimize weight. The interference can result in video lines, banding, random drop-outs, and reduced range
For example, if your robot or R / C model of the 12V motor battery also powers the video camera and ONE / V transmitter, then these LC filters can help reduce the video "noise" that can occur when the engine is running.

Properties:
Ideal for sensitive FPV and RC components in a single battery setup.
Both the negative and positive leads are filtered (common mode)
Suitable for setups up to 36V and maximum 2A load.
Functions:
Reduces DC-DC switcher supply ripple and helps clean loud from a shared battery.
Reduce the effects of interference radiated by the air and noise carried over the power wires.
Help dampen most of the high frequency power supply noise and interference.
Always suppress the noise in the power to your FPV setup (e.g. your VTX and FPV camera).

Specs:
Max 36V input
Maximum current: 2A
Built-in reverse polarity protection
The very low voltage drop
Weight only 0.5g
LC Power Filter-3A

Properties:
Ideal for sensitive FPV and RC components in a single battery setup.
Both the negative and positive leads are filtered (common mode)
Suitable for setups up to 30V and maximum 3A load.

4pcs LC Filter Module 2A 3A 5-30V Built-in Reverse Polarity Protection Reduce the effect of radiated interference for FPV Drone
Functions:
Reduces DC-DC switcher supply ripple and helps clean loud from a shared battery.
Reduce the effects of interference radiated by the air and noise carried over the power wires.
Help dampen most of the high frequency power supply noise and interference.
Always suppress the noise in the power to your FPV setup (e.g. your VTX and FPV camera).

3A LC Filter Specs:
Max 30V input
Maximum current: 3A
Built-in reverse polarity protection
The very low voltage drop
Dimension: 16 * 6 * 3mm
Weight only 0.6g

Package Include:
IFlight LC filter module * 4 pieces (optional)
Connection cable * 4 set