I moved to Starlink internet for their special deal of $39 (no extra tax) per month. Free equipment rental. Thus, I have no more use for the cable modem. This is an older modem. You may get it as backup.
If you want to sign up for Starlink internet, you may use the referral link https://starlink.com/residential?referral=RC-DF-10876311-70498-1
to get one month free.