Features: Brand new and high quality Used to improve the signal-to-noise ratio of weak signals received from antennas or other sources. Compacts and versatile unit is easy install and maintain. Exquisite workmanship high efficiency stable working performance. Strong material ensures maximum strength and durability for long lasting usage. Suitable for FM radio reception, radar-reception,etc. Specifications: Material:Metal Power Supply: TYPEC Frequency range: 10M-6GHz Gain:40DB Length: Approx.4.5cm/1.77inches Package Includes: 1 Set Low Noise Amplifier note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.