Merge Wifi networks...

[Lachlan2104]

I have 3 wifi networks at home, one from my pool, one from my belkin router that runs a music system throughout the house and one for my pop up watering system. I would like to have one network that i can do everything one produced by all three of these routers. How would i go about this? And is it possible to do it wirelessly?

 

[boosted1g]

It is possible to make it one large network but i need to know more about your setup and your needs.

Do you need this to be one network with three separate IP subnets (192.168.1.x, 192.168.2.x, and 192.168.3.x) or all on one subnet?
If you want to keep a device on one network from being able to access a device on another one then you want separate subnets.

Do you need any devices to specifically not have internet access?

Do you want all of the wireless networks to use the same network ssid (the name of the network that you connect to) or seperate ones?

What are the model numbers of your routers?

You will need to dedicate one as your primary router. Your other two routers will need to be set as access points (bassically an extension of your primary router that provides wireless/wired connections beyond your primary router)
In regards to connecting the access points to the primary router there is a few methods and I will go from best to least best.
1) Hardwired ethernet - nothing is more reliable and faster
2) Powerline adapter - adapter kit that sends ethernet data over your power wires. You will want to get a 500 or 600mbps version, tp link has a good kit for around $40 and you will need one for each access point.
3) Dual Radio routers. If all of your routers are dual band (2.4 AND 5 gHz radios) or if you have the funds to purchase all dual band routers then you can use the 5ghz band as the backhaul radio to go from router to access ponts, and let the 2.4 ghz band connect to your devices.
4) Wireless bridges - you can get a wireless bridge that will receive wireless signal and turn it into ethernet and then plug it into each access point.

Depending on the distance from primary router to access points may require better antennas on the access points.

While you can setup a router to be a repeater or buy a repeater device, I do not recommend them because repeaters (even if you can get them to work reliably which can be difficult enough) will have to split the bandwidth in half because they are using the same wifi radio to communicate with both the devices and the primary router. It is now a middle man having to go A->B then B ->C, it can not go straight from A -> C and you will notice a slight delay in web browsing and a larger delay in anything demanding.