Features: The RF low noise Amplifiers module is used for small signal reception and amplification of 50M-6GHz receiver system, covering the wide-band ranges of VHF, UHF bands. As a pre-microwave signal receiving module, it have the characteristics of high gains and low noise figure. The module is power by USB C+5V, with power indicator. The Amplifiers module is used for signal Gains promotion and small signal amplification in various radio transmitters and receivers.. This Amplifiers module boasts high gains and impressively low noise figure of 2.4dB Specifications: Component:Metal Type:20DB/30DB/ Working voltages: +5V single power supply Power interfaces: USB C. Working current: 20dB-35mA 30dB-80mA Operating frequency: 50M-6GHz P1dB output power: +10dBm@3GHz; +16dBm@3GHz; Noise figure: 2.4dB Size:Approx.6.5x2.54cm/2.56x1inch Package Includes: 1 Set RF Amplifiers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.