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Wireless built in

Discussion in 'TiVo Roamio DVRs' started by ajwees41, Sep 25, 2013.

  1. ajwees41

    ajwees41 Active Member

    May 7, 2006
    Why would Tivo include wireless when they have said it's not fast enough for MRV?
  2. AdamNJ

    AdamNJ Member

    Aug 22, 2013
    Dunellen, NJ
    Because it can be used for guide updates/connecting to tivo service. Also I do believe u can use it to provide internet to start a MOCA network, and then hookup some Mini's through the coaxial.
  3. Dan203

    Dan203 Super Moderator Staff Member TCF Club

    Apr 17, 2000
    Yeah it can provide the internet leg of a MoCa network. So basically you have the main TiVo connected to your router via wifi and then all you Minis connected to the TiVo via MoCa and the TiVo will bridge the two connections to allow the Minis to talk to the internet. It actually makes setup quite trouble free for almost any situation.
  4. Alan_r

    Alan_r New Member

    Sep 13, 2013
    You can also use it to transfer shows between TiVos as well as stream to iOS devices.

    What I dont understand though is why my 100Mb LAN works for MRV, but my 300Mb WiFi wont.
    Granted, the devices only connect at 200+, but thats still faster than my wired network.
    Are they concerned about WiFi's shared bandwidth being saturated by other devices?

    I guess that could be a concern if a household has a few minis and they all are in use, but I think at least having an option to enable MRV over WiFi, perhaps with some sort of disclaimer about performance, would be nice.
  5. socrplyr

    socrplyr Active Member

    Jul 19, 2006
    This made me snicker. For years now posters have been begging for built in wifi. Now, you are just feeding back the main reason why it was suspected that it wasn't put in.
    I won't ever use the wifi, but for many it would work very well. To somewhat repeat what has already been said. Tivo doesn't need a big pipe to the internet. It needs big pipes to other boxes to stream to. With MoCA, you get that almost for free.
  6. HazelW

    HazelW Member

    Dec 6, 2007
    No. Va
    Can you also plug in an RG45 cable to a switch?
  7. Balzer

    Balzer Member

    Nov 12, 2006
    Sioux Falls, SD
    Ah, just remember. Just because it's not supported doesn't mean it won't work.

    I stream wirelessly to and from my second Premiere, as well as using Netflix and MLB-TV, and very rarely have a problem.
  8. ajwees41

    ajwees41 Active Member

    May 7, 2006
    I do as well. Just thought that the wireless built in would be overkill.
  9. Dan203

    Dan203 Super Moderator Staff Member TCF Club

    Apr 17, 2000
    I'm not sure if there is a way to enable all 3 simultaneously. I haven't even turned on wifi in my Roamio Pro. I do know that it can bridge Ethernet to MoCa as I'm using that now. I have my whole entertainment center plugged into a switch, which then connects to the Roamio, which then transmits over MoCa to a MoCa adapter connected to my router upstairs in my office. All of the devices in my entertainment center can talk to the internet just fine. Unless the TiVo reboots, then it kills the internet to all the other devices until it comes back up.
  10. CoxInPHX

    CoxInPHX COX Communications

    Jan 14, 2011
    Phoenix, AZ
    Does any one know for sure if the Base Roamio will bridge the built-in WiFi to it's Ethernet port? to connect an external MoCA adapter?

    I was thinking of getting a base Roamio and a Mini for my mom, who has DSL and no Coax anywhere near her router, and the house is not wired for Ethernet.
  11. HazelW

    HazelW Member

    Dec 6, 2007
    No. Va
    Has anyone done this. Dan says later in the thread he has not tried it.
  12. Captainbob

    Captainbob New Member

    Sep 1, 2014
    Atlanta, GA
    I use the wireless on my Roamio all the time for streaming Netflix, etc, and it works with no problem, same as my Roku which is also on wireless.
  13. aaronwt

    aaronwt UHD Addict

    Jan 31, 2002
    I'm using the wireless on my Roamio BAsic right now to stream live OTA content to one of my Minis. I switched the Mini to have the OTA Roamio BAsic as a host last night. It streams live OTA TV, and recorded shows from the ROamio Basic using wireless with zero issues.

    My Roamio Basic is currently connected to one of my 5GHz APs and is showing a link rate of 300M. Unfortunately though the wireless is limited to the same speeds as the ethernet port so it maxes out around 95Mb/s. But streaming to the Mini is no issue since OTA maxes out around 19Mb/s anyway. The only time the faster speeds come into play is when transferring to/from a PC running KMTTG/TiVo Desktop.
  14. danm628

    danm628 Well-Known Member TCF Club

    May 14, 2002
    Vancouver, WA
    The quoted data rate for WiFi is the PHY (physical layer) rate. That is the rate that the data bits in a packet are modulated at when they are transmitted. That is not the actual throughput of the wireless link. The actual throughput is decreased due to overhead from MAC, preamble, ACKs, SIFS, DIFS, backoff and a few other things.

    For 802.11, .11a, .11b and .11g you can assume the actual throughput is roughly half of the PHY data rate.

    For 802.11n and .11ac the available throughput is closer to 80% of the PHY rate (.11ac is better but I don't know how much). A large part of the gain came from the use of aggregate packets where multiple user data packets are sent in a single transmission instead of multiple smaller transmissions.

    One of the primary goals for 802.11ax is to improve the efficiency to give closer to PHY rate. That is still being defined so products are a few years away still.

    WiFi is a half duplex technology. Only one device can transmit at a time and all other devices must wait. As the number of active devices in a network goes up the efficiency will go down due to increased time spent in backoffs from CSMA/CD.

    WiFi is also subject to interference from other WiFi networks in the area on the same or closely adjacent channels. For devices in the 2.4 GHz band they also get interference from Bluetooth, some cordless phones and microwave ovens.

    Modern Ethernet connections are full duplex (i.e. bi-directional). This means that you have 100 Mbps (or 1 Gbps) in each direction on the cable at the same time. So a 100 Mbps Ethernet connection can move more traffic than a 300 Mbps WiFi connection when dealing with bi-directional traffic.

    - Dan

    P.S. I worked on a few WiFi chips back in the early to mid 2000s. I did some work on 802.11n before moving to WAN systems.

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