Low-noise amplifiers are generally used as high-frequency or medium-frequency preamplifiers for types of radio receivers, as well as amplification circuits for high-sensitivity electronic detection equipment. When a weak signal is amplified, the noise of the amplifier itself may seriously interfere with the signal, so it is hoped to reduce this noise to improve the signal-to-noise ratio of the output This module adopts ultra-low noise LNA die and is packaged in a CNC shell. It has excellent electromagnetic shielding performance and can work in a broadband range of 0.01-4G. It has 40dB high gain characteristics and is widely used in the front-end of broadband receiver systems. It can also be added Use it to improve the sensitivity at the input end of the spectrum analyzer; Module parameters: Working voltage: +5V single power supply; Working current: 90mA (low power consumption); Working frequency: 0.01-4GHz; Gain: 37dB@1GHz (see test curve); P1dB output power: 100mW (20dBm); Noise figure: 0.6dB; Input and output interface: SMA (external screw inner hole); Module size: 53x30.5x14mm (excluding connectors); With mounting and fixing holes; It has 25dB high gain in the whole frequency range and can be used in small signal amplification in VHF, UHF, GPS, 2.4G and other receiving systems; Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:Silver Material:Metal Package Contents: 1 x Amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.