Features: 1.This is a ultra low noise, high linearity low noise amplifier module. 2.It has 0.6dB typical noise factor, 19dB typical gain, 23dB P1dB. 3.Can be used for high dynamic range receiver LNA application, and amplify small signal of 110dBM. 4.You can cascade several LNA modules in order to improve gain. 5.Generally used for high frequency or intermediate frequency preamplifier of radio receiver, and high sensitivity amplifying circuit of electronic detection equipment, as well as transceiver wireless communication card, tower mounted amplifier (), combiner, repeaters, and distal/digital wireless broadband head equipment, etc. Specifications: Typical Voltage: +5V Typical Current: 90mA Gain: 18dB -0.9G Input/Output Impedance: 50 Max. Output Power: P1db 22dBm(2GHz) Input Signal: +10dBm, output is distorted) Bandwidth 0.05-4GHZ(differs at different frequency, refers to S21 curve) Noise Factor: 0.6dB-0.9GHz Weight: 40g(.) Material: metal Color: as shown Package Contents: 1 x LNA Low Noise Amplifier Module 50M~4Ghz 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.