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This week, Global Wireless Solutions (GWS), a leading independent benchmarking solutions vendor for the wireless industry, tested mobile coverage at the Seattle-Tacoma International Airport during heavy Spring Break travel. They conducted testing in all concourses, in addition to the main terminal and North and South train loops and connector train. GWS found that AT&T offered the fastest 4G LTE network experience of any mobile provider at those locations on those days.

GWS collected approximately 2,970 samples of mobile data usage from approximately 7AM to 1PM on Monday, 3/24 and from approximately 7AM to 10:45AM on Tuesday, 3/25, and AT&T earned top marks across the board. AT&T offered the fastest average 4G LTE upload speeds, as well as the fastest average 4G LTE download speeds. AT&T also delivered 99.8% LTE accessibility.

Powering AT&T’s 4G LTE network past the competition at Seattle-Tacoma International Airport is a Distributed Antenna System (DAS), enhancing coverage and capacity.

Travelers were using their mobile devices at Seattle-Tacoma International Airport during this period of heavy Spring Break travel. According to GWS, here are the AT&T network numbers that topped all others:

  • The average AT&T 4G LTE download speed at Seattle-Tacoma International Airport on March 24 and March 25 was 15% greater than the closest competitor’s 4G LTE download speed.
    • The real-world difference between AT&T’s download speed and its closest competitor’s download speed is equivalent to being able to download 4 minutes of high-definition video content on AT&T’s network in 7 seconds vs. being able to download 4 minutes of high-definition video content on the closest competitor’s network in 8.7 seconds.
  • The average AT&T 4G LTE upload speed at Seattle-Tacoma International Airport on March 24 and March 25 was 5% greater than the closest competitor’s 4G LTE upload speed.
    • The real-world difference between AT&T’s upload speed and its closest competitor’s upload speed is equivalent to being able to upload 4 minutes of high-definition video content on AT&T’s network in 57.4 seconds vs. being able to upload 4 minutes of high-definition video content on the closest competitor’s network in 1 minute and 13 seconds.