Ultra-low noise ,0.4 dB at 1.95 GHzHigh gain at 1.95 GHz,20 dB gainHigh linearity,+35 dBm output IP3High input power robustness,+22 dBm CWStable performanceBuying Tips:The battery-free version requires -Tee power supply. Some devices have their own power supply functionThis product is a high linearity, ultra-low noise gain block amplifier type:gain amplifierPower supply:5V 70maFrequency range:100K-6GHz50 ohm input/outputConnector:SMA femaleWeight:46gPower Suplly:A:with 3.7V 300mAH batteryColour:As ShownMaterial:MetalSize:45x45x18.5mm(excluding joints)Package Contents:1 * gain amplifier1 * cableOnly 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.