MB7621 Motorola cable modem. 2 are available. Worked fine the last time they were plugged in. Should work with Spectrum, so if you're paying to rent their modem, you should get your own. One is complete in the box. The other does not have the power supply, but should work fine with a standard 12v, 1.5a power supply commonly available for less than $10.
Porch pick up.