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DipolesUkraine
On Lavky since 2020 | 24 Sales |
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Air band scanning antenna, folded dipole 118-140 MHz, 3 DBd 300W

$170.00
+ −

Shipping information

Nova Poshta Global (Free shipping)
Ukraine

Description

DA-1501 is a dipole wide air band scanning antenna for professional and HAM radio systems. Dipole incorporates 1/4 wave coax line matching circuit optimized for wide bandwidth and accurate matching. All connections made by soldering and are the one-piece. All antenna parts are made of aluminum.All components of dipole elements are DC grounded for better lighting and anti-static protection. 

Frequency range                118 – 140   MHz

Bandwidth SWR < 1,5               22        MHz

Gain                                           3         dBd

Power rating max.                   300 W

Overall dimensions                  3.3/ 2      ft

Weight                                       1.5       kg

Impedance, Ohm                        50

Termination                            N- male 

Lightning protection             DC Ground 

It is a serially manufactured antennas, it has high quality and reliability.

Important: each antenna produced for each specific order and personal needed

customer frequency range, so when you place the order, let me know your desired central (transmitting)

frequency.

The shipping time to US by regular shipping service is usually about 15 days.

Also usually we need about 10 days to finish the antenna.

Note: because of local customs, we not are sending any paper instructions by parcel!

Short manual for installation:

Install the supplied hardware exactly as shown in the photo. Colored markers on dipole indicate upward direction. Accordingly, the drainage hole at the end of the antenna should point downward.

The mast on which the antenna is installed must be no lower than the upper edge of the dipole.

The antenna mast must be grounded.

If you have any questions about the assembly and installation of the antenna, please contact me.

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440 MHz (340-500) wide band UHF antenna 4-elements folded dipole 9 DBd 400W
DA- 4404  is a four-dipole elements array wide band UHF antenna for professional and amateur radio systems. Dipole incorporates 1/4 wave coax line matching circuit optimized for wide bandwidth and accurate matching. Maximum gain is achieved by coupling single dipoles into array. Dipoles in array are coupled by precision phasing cable harness keeping low SWR and minimum insertion losses. All connections made by soldering and are the one-piece.The vertical distance between centers of dipoles is 0.7  wave length. All antenna parts are made of aluminum . All components of dipole elements are DC grounded for better lighting and anti-static protection.  Frequency range:       MHz        380 – 480 Bandwidth SWR Gain, DBd:                                         9 Power rating, W:                             400 Overall dimensions, ft:              H 6.3 , W 1 Weight (approx.), kg:                       4.5 Impedance, Ohm:                             50  Termination:                              N- female Lightning protection:               DC Grounded    It is a serially manufactured antennas, it has high quality and reliability. Important: each antenna produced for each specific order and personal needed customer frequency range, so when you place the order, let me know your desired central (transmitting) frequency. The shipping time to US by regular shipping service is usually about 15 days. Also usually we need about 10 days to produce the antenna. Note: because of local customs, we not are sending any paper instructions by parcel! Short manual for installation: Install the supplied hardware exactly as shown in the photo. Colored markers on each dipole indicate upward direction. Accordingly, the drainage holes at the end of the antennas should point downward. all vibrators must be installed strictly on the same line and in the same plane below each other at an appropriate distance. To calculate the vertical distance in meters, between the centers of the dipoles, it is necessary to multiply the wavelength of the transmission frequency by 0.8. The wavelength can be calculated by dividing 300 by the frequency in MHz. The mast on which the antenna is installed must be no lower than the upper edge of the upper dipole. The antenna mast must be grounded. If you have any questions about the assembly and installation of the antenna, please contact me.
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- USA: 1.5 - 2.5 weeks

- Canada: 2-3 weeks

- Europe: 1-2 weeks

- Australia: 2-3 weeks (sometimes longer, depending on Australian customs)

- The rest of the world: 2-3 weeks

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