The best replacement for wifi is 3g.

The best alternatives to wifi are rated as following:
★★★★★  3g
★★★★★  bluetooth
★★★★★  wireless
★★★★  wimax
★★★  4g
★★★  ethernet
★★  cellular
★  broadband
★  wifi
★  lte
★  3g ipad
★  cellular ipad
★  wlan
★  internet
★  3g kindle
★  data
★  mifi
★  3g battery
  lte battery
  4g battery life
  wired
  wi-fi
  powerline
  ethernet gaming
  dsl
  3g network
  wi fi
  bluetooth speakers
  wifi direct
  wifi plus cellular
  wireless internet
  ethernet ps4
  3g nook
  hotspot
  ipad cellular
  gprs
  wireless lan
  edge
  zigbee
  broadband which is better
  wireless router
  3g faster
  data plan
  ipad2 3g
  3g use more battery
  evdo
  lan
  802.11
  3g speed
  ipad 3g

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

Other search terms related to wifi and their ratings are:
★★★★★ router
★★★★ internet
★★★★ data plan
★★★ cable
★★★ computer
★★ dial up
★★ dsl
★★ ipod touch
★★ modem
★★ psp
★★ password
★ sprint
★ bluetooth
★ raspberry pi
★ home phone
★ arduino
★ desktop
★ phone
★ charter
★ parental control
★ usb
★ ds
★ cell service
linux
hotspot
uma
nintendo ds
cellular
blackberry
pc
antenna
android
routers
wired router
phone service
cell phone
verizon wireless
dish network
You have in mind a companion for wifi and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of wifi in all years. Click on graph for more.
wifi
3g
bluetooth