The best replacement for ir is rf.

The best alternatives to ir are rated as following:
★★★★★  rf
★★  irse
★★  ser
★★  raman
★★  xr
★★  rf remote
★  uv
★  nmr
★  rf wireless
★  bluetooth
★  adderall xr
★  xr adderall
  ftir
  thermal
  rf remote control
  ur
  estar
  ser preterite
  rf headphones
  hyjal
  uhf remote
  oxycodone er
  dlp link
  night vision
  rf remotes
  venir
  pup
  sr
  seroquel xr
  hacer
  flash trail camera
  hr
  uhf
  dl
  adderall er

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

Other search terms related to ir and their ratings are:
★★★★★ gr
You have in mind a companion for ir and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ir in all years. Click on graph for more.
ir
rf
irse