I would like a replacement router as this one keeps turning its self off up tofour times a dayp tivo
Are you certain that it's the router that's at fault? Is it wireless or wired? What about your wall power?: Does it fluctuate too much?
If wall power is the true culprit, you may find that a UPS ("Unlimited Power Supply") proves quite useful. Basically, a UPS is a sophisticated battery solution--the units incorporate powerful lead-acid batteries--the same type of batteries as those used for starting autos--merely smaller and less powerful.
A surge protector can't bump up power--a UPS may, though--it attempts to "smooth" current--putting less stress upon devices-- perhaps making them last better and longer.
In the event of a power emergency, UPSes may continue to power your TV/TiVo and your router/modem (perhaps located in another room). At least for a few minutes, you may be able to obtain news and weather. Given that your smartphone or tablet is dead, a UPS certainly may keep it alive. (UPSes do "beep" when running on battery power.)
I've noted at stores that your TiVo proves quite expensive. The UPS concept has been invoked widely--practically since the beginning--in business/enterprise, educational, and government computing. Thus, the UPS proves out now as a better home theater solution.
Where your router is, your modem likely is nearby: Plug it into a UPS, as well. Don't get rid of your surge-protector!: Those will remain useful. Certainly, you may plug it into a UPS--if you need more sockets. (Naturally, every such solution has its limits.)
UPS batteries likely will last several years: Generally, DIY replacement proves relatively easy. A great many online vendors service battery customers--replacement batteries at stores now are proving increasingly more available, too. Many differing "brands" often prove compatible.
One fault of a UPS: It's yet another "vampire current" in your home. When you leave your home or sleep, you may switch off the UPS--that ends that current drain. When leaving for vacation, you may then switch it off and unplug it--then, all connected devices are protected from lightning surges while you're away!
Lightning damage proves more common than most Americans believe. Nothing, save perhaps unplugging, can prevent damage from a direct lightning hit. In most circumstances, I do believe that a UPS will protect better then than surge protectors. My brother's TV was damaged by a lightning surge during a crazy weather event--he used a good surge protector, too: My stuff never has been damaged by lightning surges, though. I live nearby.
Needless to say, I've been a big fan of the UPS for a long time!