T-Mobile opens performance testing facility for 5G, NB-IoT, and more

T-Mobile has cut the ribbon on a 20,000 square foot testing lab where it will test the performance of devices using 5G, NB-IoT, and more.
The facility is based in Bellevue, Washington and it features more than a dozen testing areas.
In a press release, T-Mobile wrote:
“The space is made up of more than a dozen testing areas where T-Mobile engineers analyze and fine-tune everything from network signal quality, voice call and sound quality, data throughput and video optimization...