The New York Giants have been fined $150,000 (£121,279) for illegal walkie-talkie use during their game against the Dallas Cowboys on 12 December.
Coach Ben McAdoo was also fined $50,000 (£40,422) for using the device after the regulated communication equipment used to stay in contact with quarterback Eli Manning malfunctioned.
The team have had their fourth-round pick in the 2017 draft moved to the end of the round, after compensatory picks.
The Giants defeated the Cowboys 10-7.
The NFL stated that the walkie-talkie was used for five plays on an early fourth-quarter drive.
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