Pavel Piatruk’ tech & personal blog

USA 4G\LTE modems

The following modems should be working in the USA e.g. with my 4g proxy farm software Proxysmart software.

Main LTE bands in the USA:

  • FDD B2 1900 Mhz
  • FDD B4 1700 Mhz



USB modems (dongles)

LAN routers

They don’t have USB support, only LAN\WIFI.



  • Module (chip) and USB box + antennas: separately

Module (chip) itself: or

USB box + antennas: or

Chip versions:

  • EC25-AF (Verizon, AT&T, T-mobile, Rogers)

    B 2,4,5,12,13,14,66,71

  • EC25-AFX (Verizon, AT&T)

    B 2,4,5,12,13,14,66,71

Sierra Wireless

  • Sierra Wireless EM7455

    Also M.2-USB adapter and antennas are needed;


How to find suitable modems

On AliExpress or Ebay, look up for “Huawei LTE band 2” “ZTE 4g band 4” or similar queries.