The best replacement for wireless router is access point.

The best alternatives to wireless router are rated as following:
★★★★★  access point
★★★★  modem
★★★  wireless access point
★★  wireless modem
★★  wired router
★★  adapter
★  wifi
★  cable modem
★  wireless adapter
★  ethernet cable
★  hotspot
★  router
★  wired
  range extender
  n wireless router
  cable wireless router
  wireless gateway
  powerline adapter
  modem router
  mobile hotspot
  g wireless router
  wifi router
  access points

Your alternative for wireless router is not listed? Suggest!
Speaking about wireless router, one probably shouldn't forget about modem.

Other search terms related to wireless router and their ratings are:

★★★★★ modem
dsl modem
longest range
cable modem
ethernet cable
dial up
modem setup
You have in mind a companion for wireless router and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of wireless router in all years. Click on graph for more.
wireless router
access point