Do wireless cameras clog up the bandwidth

[rlpfromak]

I'm thinking about buying and hooking up three or four wireless security cameras to a network video recorder. I use an Apple AirPort Extreme router with and ISP speed of 50 Mbps. I've read in a couple places that the video from the cameras will take up a lot of bandwidth and could slow down the network. Is that the case, and if so is it possible to add a second router dedicated just to the security cameras?

[Walkintom]

Yes, they take up bandwidth. I had an old cheap router and when I tried to add the 5th camera to the network, things got problematic and I started seeing cameras drop offline, etc.

So I bought a dual band new router and I run 6 cameras on the 2.4 ghz band with zero issues. I will likely increase that to 8 sometime.

I left the old crappy router online and set that network up as an open network for free wifi access. I have 3 networks set up to my cable modem. The two wireless routers mentioned above and a wired network for our POS machine.

[emy]

I guess two router might do the trick. This would take all the traffic from wireless cameras off the main router and thereby isolate them to secondary router. For motion activated recordings and remote access, the server be connected to the secondary router.
I once consulted a commercial video surveillance systems who suggested a cascade LAN to WAN setup. They suggested another option which was an unmanaged Ethernet Switch.
Usually congestion happens when traffic through a particular device or connection is more than it can accommodate which may not be always router(which is a combination of router,ethernet switch, access point)
The cameras data traffic will only pass the router if it is viewed remotely and through the wireless access point and switch if viewed locally or recorded. There won’t be data flow if it is not viewed or recorded. This points to the fact that it may not be always due to router. So the real cause of congestion should be detected.

[stoneystevenson]

I live in a 30 room rooming house, two floors. The Internet connection is a cable modem 100 down and 10 up. One dual band router on the first floor in a hallway center of the building. On WiFi 2 cameras, one Xbox, a Chromecast and 9 phones are the regulars that connect. Before the 2 cameras I had no complaints, however with the 2 cameras the Chromecast and some of the phones buffer when streaming.
I found that the default bandwidth for the WiFi was set at 20 mgs so I changed that to 40 mgs. I believe in a home setting that should help.
I also found out that the cameras use 802.11g and all the other wireless devices are Using 802.11n. I was going to add a second wireless router set to G only and the main router set that to N only, but I will change the two cameras on WiFi to wired (Ethernet)
I read in another forum that wireless cameras should be avoided if possible.