Harry Fine, 65, deputy chief engineer of the Federal Communications Commissions and an employee there for 37 years, died of cancer Monday at George Washington University Hospital.

Mr. Fine was an expert in radio frequencies and a major part of his work concerned the allocation of bands for different uses. These uses ranged from stellite communications to citizens' band transmitters and receivers.

He was a technical adviser to numerous U.S. delegations to the International Telecommunications Union, an agency of the United Nations with headquarters in Geneva. The organization works out international agreements on the use of radio frequencies.

Mr. Fine was born in Chelsea, Mass. He received bachelor's and master's degrees in electrical engineering from the Massachusetts Institute of Technology and then worked in private industry for five years.

In 1940, he joined the Boston office of the FCC and remained there throughout World War II. In 1945, he was transferred to Washington. He was named deputy chief engineer in 1974.

Mr. Fine was a fellow of the Instituteof Electrical and Electronics Engineers and of the Washington Academy of Sciences. He was a member of the International Union of Radio Scientists and the author of numerous articles on technical subjects.

He also was a member of the Progress Club of Washington and the Cornerstone Masonic Lodge of Silver Spring.

Survivors include his wife, the former Thelma Pearl Pansera, of the home in Silver Spring; three sons, Dr. Robert Fine, of Portland, Ore., Dr. Paul Fine, of Houston, Tex., and Stephen Fine, of Monterey, Calif.; a brother David Fine, of West Palm Beach, Fla.; a sister, Jeanne Fine, of Los Angeles, and two grandchildren.