Product introduction: Current isolator principle: Composed of a simple high-frequency broadband transformer, it is mainly to ground the antenna to ground to reduce any ground loop that may cause noise, and the usage current isolator can significantly reduce the negative noise, stronger signal. Technical parameters: Input / Output Impedance: 50 ohms (1: 1 ) Insertion loss: maximum 1dB (2-50 MHz) / 3dB (0.15-400MHz) Maximum RF power: 0.25W Net weight: 7g electrostatic bag packaging Color: As Shown Material: PC+ metal Package Contents: 1 x Mini Antenna Galvanic Lsolator 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.