Fangrui Product Details 1. Usb Interface Powered Rf Low Noise Amplifier, Convenient Power Interface, Moderate Gain, High Ip3, Low Noise. 2. Powered By Usb Type-c Interface, Built-in High Psrr Ldo Can Effectively Reduce Power Supply Noise, And Effectively Reduce Background Noise Compared With Other Merchants Usb Direct Feed Modules. 3. Adopting A Very Compact Design, Using A System Shielding Cover, It May Rust When Exposed To A Humid Environment. Please Pay Attention To Moisture Protection When Using Outdoors. 4. Launched Usb Interface Powered Rf Low Noise Amplifier With Built-in Battery. 5. Reduce Power Consumption, Suitable For Portable Use, More Flat And Consistent Gain, Lower Background Noise, Smaller Size, And Longer Battery Life. Diy Consumables:electrical Due To Different Batches, The Appearance And Printed Text Of The Product May Vary, Which Will Not Affect The Use. Type:zk09-bm Colour:black Material:plastic+metal Package Contents: 1 * Low Noise Amplifier 1 * Usb Cable Only The Above Package Content, Other Products Ar