Kathrein WFS 28 Specification

Brand: Kathrein

Model: WFS 28

Category: Cable interface/gender adapters

Type: Specification

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

Remote feeding diplexer with adjustable output voltages:

5/12/14/18 Volt



For remote feeding of BZD 30/BZD 40 DVB-T antennas,

VCA/VCB 20/28 compact ampliﬁ ers, VCP 27/35/45/55/66 low

noise preampliﬁ ers, UAS 584 feed systems - in conjunction

with the NCF 18 switched-mode power supply unit (not

included with this product)



Proof against overloads and short circuits



Transmission range up to 2.150 MHz



Output with capacitive isolation



For indoor installation



WFS 28 21210025

Remote feeding diplexer

Features

• The equipment described is designed solely for the installation of satellite and terrestrial receiver systems.

• Any other use, or failure to comply with these instructions, will result in voiding of warranty cover.

• The equipment may only be installed in dry indoor areas. Do not install on or against highly combustible materials.

• The equipment must be provided with an equipotential bonding wire (Cu, at least 4 mm2).

• The safety regulations set out in the

current EN 60728-11 and EN 60065 standards must be complied with.

• Fixings: screws, max Ø: 4 mm

• Connectors: RF plug 75  (series F) to EN 61169-24.

Incorrect voltage settings can damage the remotely fed equipment!

The voltage selection switch must be set to the correct voltage before the equipment is connected, and must not

subsequently be changed (see system example page 2).

Only the NCF 18 plug-in power supply unit (not included with this product) may be used to supply power.

Installation and safety instructions

• A cable inner conductor diame-

ter greater than 1.2 mm or the

presence of burrs can damage

the product‘s sockets.

Max. 2 mm protrusion

Tightening torque max. 3

Nm (risk of overtightening)

Diameter

0.6-1.2 mm burr

free

System examples (symbolic representation)

Technical Speciﬁ cations

Electronic equipment is not domestic waste - it must be disposed of properly in accordance with directive

2002/96/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL dated 27th January 2003 concerning

used electrical and electronic appliances. At the end of its service life, take this device for disposal at a

designated public collection point.

936.4180/-/ZWT/0211/e - Subject to technical changes!

Internet: www.kathrein.de

KATHREIN-Werke KG • Anton-Kathrein-Strasse 1 - 3 • Postfach 10 04 44 • 83004 Rosenheim • Germany • Telephone +49 8031 184-0 • Fax +49 8031 184-306

Type WFS 28

Part no. 21210025

Frequency range

MHz 5-2.150

Adjustable remote supply voltage DC V 5/12/14/18 *

)

Remote supply current DC mA Max. 400

Nominal impedance  75

Through loss VHF/UHF/Sat-IF dB 0.4/0.4/1.0

Connections F-type connectors

Permissible ambient temperature S -20 to 55

Dimensions mm 35 x 74 x 21

Packing unit/weight Units/kg 1 (10)/0.09

BZD 30

To the subscribers

To the DVB-T tuner

NCF 18

e.g. low noise ampliﬁ er

(VCP .. , 12 V/90 mA)

DVB-T antenna

(e.g. BZD 30, 5 V/35 mA)

*) The 18 V voltage is not controlled, it is simply fed through the NCF 18 power supply unit.

12 V setting

5 V setting

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Kathrein WFS 28 Specification

Brand: Kathrein

Model: WFS 28

Category: Cable interface/gender adapters

Type: Specification

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