A.M. Belitskiy - сommander of the military unit. E-mail: 040358@mail.ru
A.L. Buzov - Dr. Sci (Eng.), Professor, deputy general director - head of the scientific and technical center of radio system, JSC «Concern «Automation». E-mail: buzov@oao-avtomatika.ru
A.D. Krasilnikov - Ph.D. (Eng.), deputy head of the scientific and technical center of radio system, JSC «Concern «Automation». E-mail: kad@oao-avtomatika.ru

The urgency of the task explained to create a mobile-broadband receiver and transmitting (transceiving) antennas and antenna systems of hidden properties, including multi-band, not ruining the look of the vehicle and hindering disclosure of the object identity. The basic ways discussed to create antennas of radio-access user-s equipment for hidden placement on small mobile objects. Taking into account a number of factors, including issues of security, the most appropriate electromagnetic acknowledged placing antennas on the roof of the car with the disguised (invisibility) through the use of low-profile antenna designs and their masking under exterior parts. Describes the main types of production of antennas, including bolt and low-profile, as well as the possibility of masking or invisibility. The decision to build a low-profile type radiators of IFA, DIFA, PIFA types are considered. A viability of PIFA radiators is motivated. The possibility of a multi-band antenna based on them is shown. The results of triple-band low-profile PIFA antenna development are given, including characteristics of the input VSWR and pattern. Sufficient effective of such antennas and feasibility of multi-band and adaptive antenna systems creation on this base are shown.