Exhibit 16.1
September 16, 2019
U.S. Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549 – 7561
Re: Parkervision, Inc.
Commission File No. 000-22904
Ladies and Gentlemen:
We have read Item 4.01 of Form 8-K of ParkerVision, Inc. dated September 16, 2019 and agree with the statements concerning our Firm contained therein.
Sincerely,
/s/ BDO USA, LLP