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Ericsson and CommScope successfully demonstrated equipment interoperability in the 3.5 GHz band, the companies announced Thursday.

Officials said the "rigorous testing across a range of scenarios" utilized Ericsson radio infrastructure and CommScope’s Spectrum Access System in the Citizen Broadband Radio Service band. They were also among the first to use the Wireless Innovation Forum's release 1.2 specifications.

Ericsson added that the test marked successful interoperability with three of the four Environmental Sensing Capability operators approved by federal authorities for the CBRS band, with CommScope joining previous demonstrations with Google and Federated Wireless.

"Additional milestones need to be reached for CBRS to become a reality, but we are pleased to complete interoperability testing with CommScope as part of the developmental process," Ericsson Network Product Solutions VP Paul Challoner said in a statement.

The Federal Communications Commission continues to develop rules to alter license terms in the 3.5 GHz band, which is considered crucial to next-generation networks.

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