Fracarro 283938 Datasheet Page 19

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19
SMATV Catalogue
Wideband loop Yagi aerial with F connector.
The original design, patented by Fracarro,
enables a particular directivity (with the
maximum reduction in interference)
and maximum gain comparable with
an aerial twice its length. Sigma aerials
are completely pre-assembled, director
elements, mast connection, reflector
support and radiator saddle. Therefore,
they can be installed quickly and easily
without any other tools.
UHF aerials
SIGMA Series
Item SIGMA 6HD
Code 213201
Elements No. 6
Band UHF
Channels E21 – E69
Bandwidth MHz 470 – 862
Maximum gain dBi 17
Front-to-back ratio dB 32
Return loss dB -18
Beamwidth (-3dB) ° ±18
Wind load at 120Km/h (720N/m2) Kg (N) 23 (225.4)
Connector Type F
Impedance Ohm 75
Maximum mast Ø mm 60
Dimensions (L x W) cm 92x63
Packaging
Quantity Pcs 4
Unit weight Kg 2.8
Total weight Kg 11.2
Accessories
Horizontal polarisation Included
Horizontal polarisation with tilt adj. Included
Vertical polarisation Included
Vertical polarisation with tilt adj. Included
Auxiliary boom N/A
Gain
SIGMA 6HD
Pattern
SIGMA 6HD
480 510 540 570 600 630 660 690 720 750 780 810 840 860
19
17
15
13
11
9
7
5
3
Gain ISO (dB )
Frequency (MHz)
0
15
180
165
150
135
120
105
135
120
105
90
75
60
45
30
90
75
60
45
30
15
165
150
0
4
8
12
16
20
24
8
SIGMA 6HD
Reflector clamp
and cover connector
Reflector fixing
* For more information see www.dtg.org.uk website.
Also available active dipole UHF-UHF band for SIGMA Series aerials: SIGMA PWR HD - code 213204
Standard 2
*
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