Sierra Wireless Overdrive Signal Boosters
You can boost the reception of your Sprint Overdrive hotspot with an external antenna or powered signal booster. Adding an external to will improve cellular reception which will improve data transfer speeds.
3G & 4G Frequencies.
Typically Sprint currently uses 1900MHz for 3G signal and 2500MHz WiMAX frequency for 4G signal. When selecting an antenna, match the frequency range of the antenna you're considering to the frequency used by your service provider in your area.
For 4G frequency, we recommend the Wilson Wide Band Directional antenna or a Wilson Panel antenna.
Read More: How To Boost the Cell Signal To a Hotspot.