The application of the 900 MHz band to law enforcement communications : an analysis of technical and regulatory factors affecting the applicability of the 900 MHz portion of the radio spectrum to law enforcement communication system problems/ \ Donal D. Kavanagh.
- Washington: United States Department of Justice, 1978
- various paging: chart; 28 cm.
Prepared under grant no.77SS996009
Police communication systems-- United States. Mobile communication systems