Hi,i am having edimax br-6204 wlg wireless router and i am facing problem sometimes RTD reaches more than 2000ms & getting request timed out in between.I am suspecting WAN port speed is not matching with ISP Switch port speed. My question is how to identify WAN port speed of edimax and if need be how to change the speed. If this is not the cause for my problem,do you have any other thoughts to rectify this issue. Thanks.

Please download your router's user manual from here, and see page 45; there you will find your solution for change SSID of your Wireless network.
http://www.edimax.com/images/Image/manual/Wireless/BR-6428nS/BR-6428nS_Manual.pdf

It will have to be reset to factory defaults, and then re-configured

http://www.edimax.com/images/Image/FAQ/Router/General-Router/ForgetPassword-Router.pdf

Here is the manual for the router and how to set up the router t the Internet.
http://us.edimax.com/edimax/mw/cufiles/files/download/manual/transfer/Wireless/BR-6226n/BR-6225N_Manual.zip

The Cellphone is capable of using 802.11b/g/n. So it should be capable of being set-up on Wi-Fi to use the router, as long as you set up the correct SSIS and password for the router.
Here is the manual https://www.nttdocomo.co.jp/english/binary/pdf/support/trouble/manual/download/N-04C_E_All.pdf

Check the connection type is not "Connect on Demand".
Check the Idle Time Out setting is not used.

This specifies the amount of time the router waits before shutting down an idle connection. This option is only available when "Connect on Demand" is selected. See the manual
See

http://www.edimax.co.uk/edimax/download/download/data/edimax/uk/download/for_home/home_legacy_products/home_legacy_wireless_routers/br-6428ns

You connect the WAN socket to the Comcast Modem RJ45 WAN connection socket.

See the manual http://www.edimax.co.uk/edimax/mw/cufiles/files/download/manual/transfer/Wireless/BR-6428nS/BR-6428nS_Manual.pdf

If you have any problems with Comcast, then consult their Tech support. Comcast Customer Service Get Help Support

The router does not have an extension capability. You need a separate device to act as a wireless repeater. See Manual.

http://us.edimax.com/edimax/mw/cufiles/files/download/manual/transfer/Wireless/BR-6228nSnC/BR-6228nSnC_UserManual_v1.zip

Hi!
How can we assist you with your router? Please Keep in touch. Cheers!

Click here to visit official Edimax site for Edimax BR-6226n details and go to download area. Get the Quick Install Guide and refer to 3-4 Wireless Setup Page 20 for detailed instructions.

CreativeTECH

Try reading the Quick Installationguide and see of that helps.
 
http://www.edimax.com/images/Image/QIG/Wireless/BR-6204Wg/BR-XXXX_QIG.zip

I believe I can help.

As I understand you use your Siemens to get to Internet and you like to use another Edimax 6204 WL Router on another floor.

You don't have to change much !

First check if DHCP on your Siemens Router is ENABLED (it should be) !

- RESET your EDIMAX Router (to be sure everything is set by default)
and disconnect any LAN cables from it.
- If you are using Laptop (or desktop with WL adapter), connect it to your EDIMAX by LAN cable.

- Set (if it is not) LAN adapter IP and DNS of your Laptop/Desktop
to 'Obtain an IP address automatically'
If it was seto to some STATIC IP, after this you may need to 'REPAIR' your LAN connection
to get a new IP from your Edimax router

- Open your browser and type http://192.168.2.1
(admin + pass: 1234)

- Go to Wan port and check it. It should be set to Dynamic IP.

- Go to LAN settings and type IP address of the Edimax Router in the same Class
as Siemens Router is. (e.g. if Siemes router is 192.168.1.1 then Edimax should be 192.168.1.2)

- Change the DHCP range too, but be carefull this range should be different from DHCP range on your
Siemens router. (e.g. if Siemens router range is 192.168.1.100 to 192.168.1.200, then you should
set Edimax DHCP range from 192.168.1.201 to 192.168.1.250)

- Now, connect the LAN cable from one of Siemens LAN port to WAN port of your Edimax.

That's it!

Now you may change SSID, Security, Time etc. on your Edimax router, and also try to connect via your Laptop's WL adapter. (also make sure it has no static IP address)

Hope this helped.