1.Ultra-wideband coverage supports 100kHZ-6GHZ full band, suitable for a variety of wireless communication and signal enhancement scenarios 2 Excellent noise performance: The noise figure is only 0.4dB at 195GHZ, ensuring high-sensitivity signal reception 3 High gain and linearity: Provides 20dB gain, output IP3 up to +35dBm, ensuring signal quality and strength 4.Low power design: Only 5V 70mA power supply is required, suitable for signal testing and analysis in experiments, teaching and scientific research projects 5.Compact and structure: small size, 50 ohm matching impedance, SMA female interface, easy to integrate and use Color: As Shown Material: Metal + PCb Board Package Contents: 1 Preamplifier 1 x Charging cable 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.