OPEN SKY VEHICAL TACTICAL NETWORK (VTAC). RECEPTION AND TRANSMISSION APPARATUS. THE VTAC SYSTEM CONSISTS OF TWO RADIOS, ONE CONTROL HEAD AND A RADIO FREQUENCY COMBINER. IT IS MOUNTED IN THE TRUNK OF AN AUTOMOBILE AND IS USED BY MOBILE SERVICES SUCH AS POLICE AND FIRE DEPARTMENTS. IT IS AN INTELLIGENT MOBILE NETWORK REPEATER FOR EXTENDING NETWORK COVERAGE AREA. IT CAN BE USED AS A MOBILE BASE STATION TO ENSURE THAT PORTABLE RADIOS ARE CONNECTED TO THE NETWORK AT ALL TIMES. THIS BTI REPLACES IE02NT-14-2603-3

GIR'S 1 & 6 TEXT OF CN HEADING 8525 20 80