Arris TM804G modem router, was working with Optimum internet provider, it is possible it will work with Spectrum - you need to ask them. It has build-in battery to prevent power outages. Can lower your internet bills as you have your own modem and you can return their modem to avoid extra monthly charges. Pickup - 10 Ave / 45 St, Brooklyn. If you see this ad, modem is available.