Patriot, Two-Way Radio, models:

PATRIOT PLUS RTX-454	Owner'S Manual
PATRIOT PLUS RTX-454	Owner'S Manual
PATRIOT SST "FOUR SERIES"	Owner'S Manual
PATRIOT SST D-SERIES	Owner'S Manual
RITRON SST-442	Maintenance And Operating Manual
RPM Series	User Manual
SST-144D	Owner'S Manual