Converting Wireless Router Modem to Switch

Hi,
I have recently bought a Netgear DG834N Wireless Modem Router, this is replacing a Netgear DG834GT Wireless Modem Router as I wanted faster wireless.
Because of the location of my computer I had been using a Netgear WGPS606 Wireless Printer Switch acting as a Wireless Switch to my hardwired PC in the office. This allowed me to have wireless access to internet for our laptops but also gave internet access to PC without running Cat5 cables through house.
As is the case now this switch is now a bottleneck in speed of internet to PC, can I convert the replaced Netgear DG834GT into a switch.
Does anybody have experience in converting a Wireless Modem Router into a Wireless Switch/Access Point and how do I maintain the same wireless network without trying to connect to two SSID. Thanks

I had a similar case with a 3com wireless ADSL modem.

I had another modem for ADSL connection.

I used the 3com (disconnected from DSL line) as a wireless access point for wireless pc's and wired switch for non-wireless one's.

The most important thing is to set the DHCP of the modem off

Regards

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