New antenna for ISM frequency band

1. October 1999

Finished development of new antenna for ISM frequency band (2.4 - 2.5 GHz): AD-34/2G4-5 (omnidirectional collinear with 5 dBd gain). We are finishing a parabolic antenna (90 cm offset reflector with approx. 22 dBd gain).

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IDEF 99

20. September 1999

Under the organization of the Slovenian Chamber of Commerce - Dept. of Military Industry and Ministry of Defense of RS we participated in Military Exhibition IDEF 99 held in Ankara Turkey between 28th of September to 1st of October. On the pictures you could see stand where 18 Slovenian companies showed their products intended for military use. You could see also our antenna AD-44/E on new ASELSAN's UHF handheld radio station.

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We finished development of new HF antennas

1. June 1999

We finished development of new HF antennas for radioamateur use: 4-elements 3-band "CUBICAL QUAD" for 14,21 and 28 MHz ( AD-14-CQ/C ) and for 21 and 28 MHz ( AD-14-CQ/D ). Also a WARC kit for 18 and 25 MHz is available for the AD-14-CQ/C.

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NEW ground-plane kits

1. May 1999

We add so called "ground-plane kits" to antennas AD-18/D and JAS-12/M - AD-18/D-GP and JAS-12/M-GP. 

With "ground plane kits" the antennas are usable also as stationary mounted on appropriate antenna masts.

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New types of coaxial surge protectors

1. April 1999

New types of coaxial surge protectors were added in our products list. Type ASP-...W is waterproof protector for 0 to 1500 MHz and the type ASP-.../WH is intended for use from 1500 to 2500 MHz.

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Finished development of two new antennas

1. March 1999

Finished development of two new antennas: AD-18/E and AD-44/E : wideband antennas for use from 225 to 400 MHz. Type AD-18/E is a mobile antenna and the AD-44/E is intended for use with handheld and manpack radios.

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We made our first CD-ROM catalogue

1. January 1999

We made our first CD-ROM catalogue. All files inside are in PDF format (Adobe Acrobat Reader), both Slovene and English version. We used this opportunity to update all our catalogues, corrected many text errors, add more photos and renew drawings with technical details. Some of our (older) antennas were removed from production list. All those modifications will be utilized also in our web pages.

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We renewed our popular AD-14-CQ/A

1. November 1998

We renewed our popular AD-14-CQ/A cubical quad antenna and made new AD-14-CQ/B : two element two-band quad for 21 and 28 MHz. The most important thing is that no more tuning is necessary at the installation. At the end of March 99 we plan to develop new three-band (14, 21 and 28 MHz) three-element cubical-quad.

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MODERN ELECTRONICS 98

30. October 1998

Participation on the exhibition MODERN ELECTRONICS 98 in Ljubljana. We exhibited our new telescopic winch driven mast (as co-operation with the company MASTSYSTEM), which is almost all produced in Slovenia. We exhibited also the original headset used by Ferrari mechanics - of course with our little antennas on it. By the way: in November we've been in Maranello on "working" visit (measurements, modification of headset with antennas in order to improve communication range). All measurements were made on the Fiorano track alongside beautiful noise of testing Ferrari's newest sport car...

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Two new antennas: AD-44/BW and AD-44/CW

1. September 1998

Two new antennas: AD-44/BW (flexible) and AD-44/CW (blade); the wideband antennas cover from 30 to 90 MHz intended for use with portable and manpack radios. The model AD-44 is out of production.

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CATALOGUES in PDF format are updated

1. July 1998

CATALOGUES in PDF format are updated (General catalogue and Short Form one too). Due to the size of the General catalogue (over 3 Mb) partial catalogues of the antennas are added (separately for HF; VHF 30-90 MHz; VHF 145-175, UHF 400-1000 and for the 88 - 3000 MHz).

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"corner reflector" antenna

1. June 1998

NEW ANTENNA: AD-36/2-10 is "corner reflector" high band VHF antenna covering from 145 to 175 MHz. Check out also our others military antennas.

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New AD-29/07-5

1. May 1998

NEW ANTENNA : AD-29/07-5 is heavy duty base station antenna for 0.7 m band and with 5 dBd of gain. The version from 410 to 430 MHz is now used by Slovenian national mobile telephony operator MOBITEL for NMT base stations to increase coverage.

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MODERN ELECTRONICS 97

25. September 1997

Participation on the exhibition MODERN ELECTRONICS 97 in Ljubljana. Among the other news a prototype of the new winch driven telescoping antenna mast (co-operation with the company MASTSYSTEM AB Sweden) was demonstrated.

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New AD-18/D-110

10. September 1997

NEW ANTENNA: AD-18/D-110 is result of modification of the antenna AD-18/D vehicular antenna. Due to the customer's requirements the frequency range is extended up to 108 MHz for covering also standard FM radio band.

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New AD-40/07-3

9. September 1997

NEW ANTENNA: AD-40/07-3 is three-element YAGI UHF base station antenna covering frequency range from 390 to 475 MHz. A special version of this military UHF antenna is named AD-40/NMT-3 and is intended mainly for use with stationary NMT mobile phones (frequency range from 410 to 430 MHz)

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New Antenna ADS-21/4-W

3. September 1997

NEW ANTENNA: ADS-21/4-W is new wideband UHF vehicle antenna covering complete 4 m band from 68 to 88 MHz (SVR<2,5, height 100 cm). The antenna could be used with fixed support ADN-21/UHF or magnet mount ADM-21/UHF. The antenna was developed according to special requirements from German customer.

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New AD-34/2G4 in AD-40/2G4-16

1. September 1997

NEW ANTENNAS : AD-34/2G4 and AD-40/2G4-16 are base station antennas intended for use in wireless LAN (Local Area Network). The first type is dipole antenna with omnidirectional radiation pattern and the other one is directional (16-elements YAGI antennas enclosed in radome).

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Contact us

 

TRIVAL ANTENE d.o.o., Gorenjska cesta 25, 1234 Menges, SLOVENIA, EU
TEL: +386-1-8314-396, FAX: +386-1-8313-377, EMAIL: info@trivalantene.si

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