The best replacement for mobile broadband is mobile hotspot.

The best alternatives to mobile broadband are rated as following:
★★★★★  mobile hotspot
★★★★★  tethering
★★★★  satellite internet
★★★★  adsl
★★★  fixed broadband
★★★  satellite
★★  mobile internet
★★  wireless broadband
★★  fixed line broadband
★  home broadband
★  verizon mobile broadband
★  hotspot
★  cable modem
  high speed internet
  verizon broadband

Your alternative for mobile broadband is not listed? Suggest!
Speaking about mobile broadband, one probably shouldn't forget about free laptop.

Other search terms related to mobile broadband and their ratings are:

★★★★★ free laptop
free laptop deals
free laptops
free laptop offers
You have in mind a companion for mobile broadband and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of mobile broadband in all years. Click on graph for more.
mobile broadband
mobile hotspot