10X 12Lpf 1.2Ghz Rc Wireless Transmitter Low Pass Filter for Rc Airplanes Helicopters Multirotor Qua Designed for 1200MHz-1390MHz wireless A/V transmitters Low insertion loss, less than 0.7dB typical at 1300MHz Passband DC - 1425MHz (Less than -1.5dB loss) Efficient monolithic LC multi-pole topography design Second harmonic ( 2.4GHz) attenuation Characteristic impedance: 50 ohm Handles power up to 8W -35dB typical SMA connectors (male / female) 12LPF 1.2G Low pass filters, Helps 1.2GHz Wireless Video Transmitter, can reduce the interference to 2.4GHz receivers to prevent jitter servo issues. You may install it onto your receivers or transmitters, for filtering out unwanted noises Colour:As Shown Material:PC+metal Package Contents: 10 x Low-pass 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.