ITEM NAME:0.1-2000MHz RF wideband amplifier gain 30dB low-noise amplifier LNA LJ 0.1-2000MHz RF wideband amplifier gain 30dB low-noise amplifier LNA LJ a.imagelink a:hover.imagelink {color:#5B804D;.F=2000MHz, gain=20dB. Amplifier gain:. Amplifier working frequency of the lower limit is subject to input and output capacitor, the default value is 0.1 uF, working to 0.1 MHz. 1x wide-band amplifier.