Directional antenna
A directional antenna is an antenna that provides more efficient radiation or reception of radio waves in a specific direction than in others. It is used to establish a "point-to-point" connection. Directional antennas have less stringent requirements regarding the level of side lobes compared to sector antennas, which allows for simplifying the design and reducing costs
Source: "EQUIPMENT FOR SUBSCRIBER RADIO ACCESS SYSTEMS (POINT-TO-MULTIPOINT TYPE) WITH TIME DIVISION MULTIPLE ACCESS (TDMA), OPERATING IN THE 3 - 11 GHz FREQUENCY BAND. GENERAL TECHNICAL REQUIREMENTS. RD 45.165-2000"
(approved by the Ministry of Communications of the Russian Federation, introduced by an informational letter from the Ministry of Communications of Russia dated December 21, 2000 No. 8163)
Понятие «направленная антенна» женского рода.
| Падеж | Единственное число | Множественное число |
|---|---|---|
| Р | направленной антенны | направленных антенн |
| Д | направленной антенне | направленным антеннам |
| В | направленную антенну | направленные антенны |
| Т | направленной антенной | направленными антеннами |
| П | направленной антенне | направленных антеннах |