This is SOLID C-band high gain LNB. Solid Company says this LNB gives 70 dB gain. Which is high value. It also says there is inbuilt amplifier. Technical Specifications :
Input Frequency : 3.7 - 4.2GHz
L.O. Frequency : 5.150GHz
Output Frequency : 950 - 1450MHz
13/18V Voltage Switching.
Gain - 70dB (min.)
Noise : 12°K
Polarity : H/V (Dual)
NOTE : above technical information is provided by SOLID company. For more information visit Headend INFO Store, https://www.headendinfo.com/ujjwalswami/