Features: Mini Antenna Isolator Antenna Isolator There is a simple high frequency wideband transformer made up, mainly to isolate the antenna ground from the receiver ground to reduce any ground loops that could cause noise, using a isolator can significantly reduce the noise floor and have a for stronger signal. Input/Output Impedance: 50 ohms (1:1) Insertion Loss: Max 1dB(2-50mHz)/ 3dB(0.15-400mHz) Maximum RF power: 0.25w Specifications: Material:Metal; Size:Approx.8x2cm/3.15x0.79in Input/Output Impedance: 50 ohms (1:1) Insertion Loss: Max 1dB(2-50mHz)/ 3dB(0.15-400mHz) Maximum RF power: 0.25w Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Antenna Isolator