www.telmor.pl

GZT TELKOM-TELMOR SP. Z O.O, ul. Mickiewicza 5/7, 80-425 Gdask, Poland tel. +48 58 690-93-21, fax. +48 58 690-93-88, e-mail: export@telmor.pl

Universal multiband amplifiers

The WWK-911 and WWK-921 multiband

amplifiers are designed for using in collective antenna

systems receiving terrestrial digital TV (DVB-T)

programs in detached houses, residences, hotels,

holiday centers, schools, hospitals, etc. Even situated

in places with difficult reception conditions where

received signals have different levels and are coming

from different directions. Amplifiers are designed for

receiving these signals, selecting requested channels,

equalizing their levels and amplifying them.

The WWK-911 / WWK-921 amplifier can be used:

as an independent unit as a part of

a satellite multiswitch systems as additional

signal source of RTV signals to the input of

individual multiswitch.

as a part of a simple head-end up to

frequency of 860 MHz.

Additional input (AUX) of the amplifier enables adding

at the output signals coming from such equipment like:

CCTV camera, DVD player, satellite tuner or PC with

TV signals and their further transmission in cable

network. The advanced Automatic Control Functions

of the amplifier (e.g. signal level equalization, auto

detection and supply of antenna preamplifiers) enable

their easy activation.

The WWK-911 and WWK-921 multiband

amplifiers are dedicated for indoor use.

ISO 9001 CERTIFIED

Designed for RTV collective antenna installations

MATV and SMATV systems.

Selective amplification of up to 8 input UHF signals.

Automatic detection and power supply for antenna

preamplifiers connected to UHF1 UH4 inputs.

Ready to digital terrestrial TV transmission

DVB-T.

Built-in 2-input AV modulator only WWK-921.

Low power consumption.

Easy installation and adjustment.

WWK-911, WWK-921 RoHS

www.telmor.pl

GZT TELKOM-TELMOR SP. Z O.O, ul. Mickiewicza 5/7, 80-425 Gdask, Poland tel. +48 58 690-93-21, fax. +48 58 690-93-88, e-mail: export@telmor.pl

TECHNICAL SPECIFICATIONS

WWK-911, WWK-921 Inputs BI / FM VHF UHF1, UHF2, UHF3 UHF4 AUX

Frequency range MHz 47108 174230 470862 8 tuned channel paths*** 470862 47086

2 Gain dB 25 2 40 2 45 3**** 33 2 20 2

Gain regulation / -20 smooth -20

smooth -20

smooth -3, -6

switchable -

Gain adjustment after paths combining 0, -3, -6 switchable

Selectivity channel paths dB - - 22 - - Noise figure dB 3 3 5 - - Max. input signal level* dBuV 100 90 80 85 91 Min. input signal level:** - for S/N > 30dB - for S/N > 45dB

dBuV

41 56

39 54

40,5 55,5

48 63

62 77

Isolation between inputs: - UHF UHF - BI/FM/VHF UHF

dB dB

30 50

Modulator output signal level 110 (WWK-921) Modulator output signal level adjustment dB -20

Modulator output channels ch.21ch.69 (WWK-921) Modulator audio subcarrier 5,50 or 6,50 switchable (WWK-921) Max. output signal level: - for 2 TV channels - for 10 TV channels (DIN 45004B (-60dB)

dBuV dBuV

108 -

112 106

Test point dB yes, -20

Preamplifiers power supply V /mA - 12 / 50 for each of UHF input -

Input / output impedance 75 Operating temperature range K (C) 263.323 (-10.+50) Power supply V AC/ Hz / W 230 / 50 / 15 Dimension mm 400 x 130 x 50 Weight kg 1,0 * for higher input signal levels an external attenuator should be used! ** for lower input signal levels an antenna preamplifier application is recommended! *** switch position for possible channel paths assignments to antenna inputs are given in user manual. **** In the frequency range 814862 MHz (ch.64ch.69) the gain range is 3045 dB and the selectivity range is 1622 MHz.