Check the listing for details. 30dB ADJUSTABLE INLINE SATELLITE BOOSTER SIGNAL AMPLIFIER. Condition: New. Listed at 14.99 USD. This is a 0-30dB ADJUSTABLE SATELLITE INLINE AMPLIFIER, SIGNAL BOOSTER, 5-2400 MHz! these Amplifiers are powered by your Satellite receiver! This 30dB Amplifier is now Adjustable for better control! 30dB is the Amplification power factor, which is 1000:1! They are Power Passing so they will power your LNB! These are installed inline with your existing rg6 cable run to boost any signal loss due to the impedance of long cable runs, 50 foot or more! They may help with those weaker stations that are harder to get! Note: this Amplifier will need to be installed in a dry place out of the weather! also this Amplifier is not designed for internet services! This listing is for the Amplifier only; no power adapter is included with this listing. If you have any Questions, please message me. Thank you for shopping with us! SUPPLIES ARE LIMITED SO ORDER YOUR TODAY!!!