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Antenna suitable for digital DVB-T/T2 signal reception.
The professional antenna set with H/V polarization Dipol 28/5-12/21-48 DVB-T/T2 A2811 is designed to receive DVB-T/T2 digital terrestrial television in VHF band (174-230 MHz) and UHF band (470-694 MHz). Universal design of the antenna enables the user to freely change polarization of reception V/H for both, the VHF and UHF bands.
The antenna is distinguished by high gain, which allows to receive signals from distant TV transmitters. Professional antenna set A2811 has a built-in diplexer in the VHF antenna box, and a balun in the UHF antenna box. The antenna is pre-assembled. The assembly consists in tightening several screws and takes a few minutes. The main components of the antenna are made of aluminum, steel structural elements are galvanized. In the case of transmitters with lower power and/or further away from the place of reception, it may be necessary to use the Terra HS-013 R82010 or CA-215 R90461 amplifier having independent gain control, separately for VHF and UHF bands.
Key features:
- the antenna receives DVB-T/T2 TV signals from one direction
- in the VHF band (channels 5 - 12) in horizontal or vertical polarization
- in the UHF band (channels 21 - 48) in horizontal or vertical polarization
- built-in VHF/UHF diplexer
- pre-assembled
- made of aluminum
- all directors and reflectors are made of aluminum tube
- modern design - high gain with compact dimensions
- manufactured in Poland
- cardboard box
Specifications
Product | Dipol 28/5-12/21-60 tube |
Code | A2811 |
VHF | |
Gain [dBi] | |
Channels | 5-12 |
Radiation ratio forward/reverse [dB] | >13.5 |
Polarization | H (V rotated by 90°) |
Standing wave ratio | 1.3-1.97 |
UHF | |
Gain [dBi] | |
Channels | 21-48 |
Radiation ratio forward/reverse [dB] | 12-26 |
Polarization | H (V rotated 90°) |
Standing wave ratio | 1.1 – 3 |
General | |
Number of elements | 28 |
Impedance [Ohm] | 75 |
Packaging | cardboard box |
Weight [kg] | 1.7 |
Dimensions [mm] | 1100x900x400 |
Max. mast diameter [mm] | 55 |
Specifikace
Typ antény | TV DVB-T/T2 | ||
Výrobce | DIPOL | ||
Typ antény RTV | UHF+VHF "combo" | ||
General data | |||
Počet prvků | pcs. | 28 | |
Rozměry | mm | 1100 × 900 × 400 | |
Weight | kg | 1,7 | |
Balení | type | Karton | |
Technické specifikace | |||
Impedance | Ω | 300 | |
Balun | Yes (75 ohm) | ||
Operating band | VHF+UHF | ||
Frequency range | MHz | 174 – 230, 470 – 694 | |
VHF | |||
5 – 12 | |||
Zisk max. | dBi | 4 | |
Poměr poloměru přední a zadní části | dB | 12 – 26 | |
Polarizace VHF | H/V | ||
Poměr stojatých vln | 1.1 – 3 | ||
UHF | |||
21 – 48 | |||
Zisk max. | dBi | 9 | |
Poměr poloměru přední a zadní části | dB | 12 – 26 | |
Polarization | H | ||
Poměr stojatých vln | 1.1 – 3 | ||
Amplifier | |||
Built-in amplifier | No |