". However when I entered the setting directly in virtual circuit on the modem page (192.168.1.1) " You means you can dial up on this modem while it's in bridge mode?(only bridge mode valid)

well,normally TL-ANT2408CL will increase your wireless signal to a pretty good performance 1.when you use your original antennas in TL-WR1042ND,what signal strength will you get in your room...

jimk wrote I have changed antennas for a TP-LINK wireless router before. You may check the following indoor Omni-directional Antennas in the link below...