UHF TV DVB-T/T2 Antenna: Dipol 44/21-60 Tri Digit ECO (with LNA-177 amplifier)

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UHF TV DVB-T/T2 Antenna: Dipol 44/21-60 Tri Digit ECO (with LNA-177 amplifier)
View of the antenna

Antenna suitable for DVB-T/T2 signal reception
The Tri Digit ECO A2665 37-element antenna for the whole UHF band (ch. 21-60) equipped with LNA-177 B4009 amplifier (max 30 dB) is a cheaper version of the popular A2675 model, with nearly identical parameters. Due to special design of the array, the antenna has a very high gain, despite its compact size. The amplifier allows reception of broadcasts from remote transmitters, located even 50 km away. The receiving elements are made of aluminum, except for the reflector, made of galvanized steel.
The Tri Digit A2665 antenna is sold in the form nearly ready to use (assembled in 90%), in individual packaging (cardboard box) containing instruction leaflet.
There is a version of the antenna without an amplifier - A2660.
Specifications
Name DIPOL 44/21-69 Tri Digit ECO with amp.
Code A2665
Gain [dBi] up to 46
Channels 21-60
Front/back ratio [dB] 25
Polarization
H (V when rotated by 90°)
Number of elements
37
Impedance [Ω] 75
Packaging cardboard box
Weight [kg] 1.37
Beam V/H  [°] 45/56
Length [mm] 1040
Power supply
12 VDC. 100 mA
Length [mm]
1050
Width [mm]
510
Height [mm]
540
Bulk packaging: five-packs (five boxes wrapped in foil).

Specifications

Antenna type TV DVB-T/T2
Name Tri Digit ECO
Manufacturer DIPOL
RF antenna type Directional
General data
' pcs. 37
Dimensions mm 1050 × 510 × 540
Weight kg 1,37
Packaging type Cardboard box
Specifications
Impedance Ohm 300
Balun No
Operating band UHF
Frequency range MHz 470 – 790
Channels 21 – 60
Max gain. dBi 16
Radiation pattern front/back dB 25
Polarization H/V
Amplifier
Built-in amplifier Yes
Amplified band UHF
Amplifier type LNA-177
Input impedance Ohm 300
input impedance Ohm 75
Gain dB 24...30 (channels 21 – 54), 30...19 (channels 54 – 69)
Power supply voltage V 12
current mA 55