Will I need anything else for wifi capability. I have comcast service enabled at my new home and bought this modem.
941305
Sorry for the late reply. This modem will not get you wifi (only a wired Ethernet connection to your computer). You will need to buy a separate router for this. You can buy a combination cable modem and wifi. There are several on the approved Comcast list. I elected to have two separate units. First, if I leave comcast, I can still use my router. Second, I purchased a router with other capabilities including a print server, network storage, cloud capabilities and a DNLA server (media server). Basically, I wanted to build a home network. There are several good routers out there depending what you want. Sorry for the late reply. This modem will not get you wifi (only a wired Ethernet connection to your computer). You will need to buy a separate router for this. You can buy a combination cable modem and wifi. There are several on the approved Comcast list. I elected to have two separate units. First, if I leave comcast, I can still use my router. Second, I purchased a router with other capabilities including a print server, network storage, cloud capabilities and a DNLA server (media server). Basically, I wanted to build a home network. There are several good routers out there depending... » Read More Sorry for the late reply. This modem will not get you wifi (only a wired Ethernet connection to your computer). You will need to buy a separate router for this. You can buy a combination cable modem and wifi. There are several on the approved Comcast list. I elected to have two separate units. First, if I leave comcast, I can still use my router. Second, I purchased a router with other capabilities including a print server, network storage, cloud capabilities and a DNLA server (media server). Basically, I wanted to build a home network. There are several good routers out there depending what you want. « Show Less
941306
Yes you will also need a wireless router that connects to this modem and pushes out your wireless internet signal.
779044
This modem doesn't do wifi. You need a wireless router for that. It does work for comcast though. I actually had to find a comcast employee to upgrade the software on this device through a comcast forum because my internet turned on and off every five minutes. It has not had a problem since I got that done. And works great.
1271265
I have comcast in my house as well, and it works just fine with my internet service! :)
779040
It WORKS with Comcast. I just ordered the second one to skip the riddiculous $8 Modem rental (Lost the first one due to a power surge few days ago (Idiocy will always prevail...USE a power surge protector). I start by connecting the cables to the modem then the ethernet cable to my laptop and lastly plug the modem to the power outlet. Open up your browser, go to xfinity.com, loggin to your account and it will self detect and self install your new modem. the last step which will be updating the hardware (it takes forever and franckly I don't know if it does update). I just open a new tab/window, browse thru multiple websites to test the internet. Unplug the power cord to the modem, plug the ethernet cable to your wifi router, plug in both modems and everything should work.
424281
I bought the home unit and two others and have no problems. Depending on your house wiring, etc, quality of your signal into your home. Using Comcast as example, 5 at most, depending if anything else in on your network.
2246302
You need internet service and a router that broadcasts W-Fi (almost all routers do that now anyway). You do not need wireless service as in wireless phone service.
2086856
Go to your Comcast system's website. Find the Q&A; section and look for something like, "Can I use my own modem." If they are like Brighthouse (my provider) they will list all the compatibled modems. Pay special attention to the throughput rate - you must match the modem to your particular rate.
1383107
There is a very long review, dated October 18th, 2012 that explains it all. Try the auto install first. In my case it found a modem, but the wrong one. Look very carefully. If this is the wrong one, don't go any farther. Just call Xfinity and they will walk you through it. Make sure to tell them you want to port your number to the new modem. Although it was a process, it was worth it. Also make sure to call xfinity again after you have returned the modem to a service center. They have to be told to take the $7.00 monthly lease charge off your bill. I'm assuming you have comcast/xfinity.
169663
I am using the exact same modem and I have xfinity internet service. I have no issues at all. Works perfect. Price compare with costco before you buy it.
904560
I would tell you but it seems like a waste of time when you already know what to do. Sorry just giving you a hard time. I actually didn't do it. Comcast came by on a service call and installed it without me asking them. Would have been ok if they had done what i actually asked them.
2038813
I was new to Wifi also. You have to purchase and install a router that connects to your desktop PC and ( if applicable) your cable modem.
1980850
Will not support Comcast, has 5 portals. I am very pleased with this modem... rd
1465813
I hope you understand this is only an amplifier; it is not a router. If you presently have a functioning wifi network, it can extend the working range. Compatibility should not be an issue. I have no experience with Comcast devices.
756627
It depends. I actually work for Comcast and was unable to get this modem provisioned. After some digging and a chat with a contact I have at Arris, it seems that Arris makes several variants of this modem. They are not supposed to be sold to retail consumers and each variant is specific to a particular ISP. In my case, I was shipped a model TM822G/CV. That is designed to work with Optimum and that's why Comcast couldn't provision it. The correct model for Comcast's network is TM822G/CT. There should be a sticker on the back next to the coax connector telling you exactly which variant you have. I'm going to attempt to return mine, though I bought it 6 months ago and have only now had time to fiddle with it. It's pretty irresponsible of the vendor to not disclose this so it's anyone's guess if you'll get the correct part for your particular ISP and they don't ask you which one you want.
182136
This is just a modem. You will need a router to distribute wifi around your place.
1748209
I'm a comcast subscriber and it works fine. You will just need to call them with the numbers on the modem to have them register it.
1572169
This is a router only. Depending on your type of internet service (e.g. cable, DSL, etc) you will need some type of "modem". Some manufacturers build cable modems and DSL modems with routers built in. If you need both, then it would be more economical to purchase a modem/router combination.