Features: Boost your signal with our low-noise amplifier. Perfect for frequencies ranging from 100k to 6GHz. This device boasts a highgain of 20dB and an impressively low noise figure of 0.4dB at 1.95GHz. Our amplifier is designed for stability. With its high linearity and +35dBm output IP3, it can handle even the most demanding applications. High input power robustness,+22dBm continuous wave, stable Note：The battery free version requires Bias Tee bias power supply, and some devices come with bias power supply functions such as sdrplay1A, etc Specifications: Frequency: 100K-6GHz Ultra-low noise figure, 0.4dBNF at 1.95GHz High gain at 1.95GHz, 20dB gain High linearity,+35dBm output IP3 50Ohm Input/Output Connector: SMA female Size: approx 45x45x18.5mm/1.77x1.77x0.73in (excluding joints) Can be equipped with a 3.7V 300mAH battery; Package Includes: 1PC Audio Amplifier with Cable note: There might be a bit color distortions due to different computer resolutions. There might be size errors due to different computer resolutions.