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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 124 hours Hope you have a pleasant shopping experience!