Strona wydrukowana z adresu: http://radmor.com.pl/Civil-products/Accessories/Antennas/Stationary/Stationary-Antenna-3289

Stationary Antenna 3289

Stationary antenna 3289

Stationary antenna 3289

The 3289 directional stationary antenna is designed to work with base radiotelephones operating in frequency band 400 ÷ 470 MHz.

Advantages of the antenna:

  • suitable for use in extreme environmental conditions,
  • long-term stability of electrical and mechanical parameters,
  • all used materials are galvanically compatible to minimize corrosion.

Electrical specifications:

Type

Yagi-Uda nine-elements antenna

Versions of the antenna as a functiona of operating frequency

Version

Operating bands
[MHz]

1

420÷450

2

438÷470

3

400÷425

4, 5

410÷430

Nominal input impedance:
- versions 1÷4
- version 5

50 Ω
75 Ω

SWR in operating band

<1,5

Polarization type

vertical or horizontal

Antenna's power gain with respect to the dipole λ/2

11 dBd (13,15 dBi)

Front/back radiation ratio

>11 dB

Cod of horizontal antenna radiation pattern (in H vector plane)

023EB28
(according to CEPT T/R 25-08 Recomendation)

Cod of vertical antenna radiation pattern (in E vector plane)

019EB28
(according to CEPT T/R 25-08 Recomendation)

Half-power angle in horizontal plane (H vector)

45°

Half-power angle in vertical plane(E vector)

37°

Max power delivered to the antenna

100 W

Type of antenna's connector: 
- versions 1÷4
- version 5

N-50
N-75 plug

Type of antenna's cable:
- versions 1÷4
- version 5

RG 213/U 10m lenght 
YWL 75 10m lenght

Antenna input connector is an open-circiut for direct current.

Mechanical specifications:

Dimensions (maximum)

1600 x 350 mm

Weight

3 kg

Resistance to wind load (speed)  [Vw ]

45 m/s

Protection against lightening

galvanic, by additional wire

Protection against ice

dielectric shield

Mounting

mounting bracket adapted to the diameter of the antenna's mast Φ 51÷76 mm

Environmental conditions:

Operating temp. range

-40°C ÷ +85°C

Relative humidity

< 98% in temp. +40°C

Operating conditions:

Installation procedures, conditions and their influence on antenna radiation pattern are described in the Installation Manual which is included in the antenna set. All antenna's are DC-grounded. Depending on version of the antenna and type of cable,N-50 or N-75, connector is included in the antenna set.