Enter start and end Frequency between 93Mhz - 990Mhz
Note: The wider your frequency span, the slower the modem is to respond and greater use of system resources by your web browser.
The modems are capable of displaying analysis data for all carriers NOT JUST DOCSIS.
Full spectrum 93-990Mhz is service impacting however everything else should not.
Arris 1670/2470 Running firmare SW_REV: 9.1.99D or higher have the ability to scan upstream spectrum as well. (5Mhz to 42Mhz )
Resolution Bandwidth in Mhz: Note: The smaller this number, the greater the resultion and slower the resonse and greater resoruce impact to your PC.